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[美国发射] 美GPS导航系统最新进展:3家公司展开GPS IIIB竞标

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shaolin1254 发表于 2013-9-27 17:53 | 显示全部楼层
对于GPS系统:最大的成本节省也意味着最大的风险  

新闻发布时间:2013-09-26


  [据美国航天新闻(SpaceNews)网站2013年9月23日报道]美国政府问责署(GAO)在9月9日公布的一份报告表示,美国空军预计,如果重构现有的GPS计划可以节省数十亿美元的成本,但是最低成本的方法也会带来最高的风险。

  美国空军提出的节省成本的方案包括使用较小型卫星和寄宿载荷等,都需要进行先期投资。这在目前的预算环境下是困难的。GAO也认为空军的成本估算不够精细,不足以支撑项目决策。

  在报告摘要中,GAO提到:“尽管空军的报告是一个好的开始,但在关键的成本驱动和成本估计方面的更多信息,以及更广泛的信息反馈将有助于指导未来的投资决策。”

  这份报告——《全球定位系统:潜在方案及所需相关成本的全面评估》,评估了空军关于GPS成本削减方案的独立研究。包括初始的研究和GAO评论都是国会指定进行的。GAO认为,空军的研究仅关注了GPS系统空间段——超过整个PNT系统(包括地面系统和用户设备)成本的一半。

  根据GAO的评估报告,空军分析了GPS空间段的9种可选方案,包括根据与洛马航天系统公司(位于丹佛)合同继续的GPS-3星座——按计划将于2015年开始发射。标准的GPS-3项目和略经修改的版本都是高成本方案,分别需要230亿美元和250亿美元,但也是最低的技术风险和项目风险。

  另一个极端是整个由较小型卫星——称为“导航星”(NavSats)——组成的星座,成本约为130亿美元,但是风险也最高。与之类似的是一个140亿美元的方案,利用地球静止轨道卫星进行增强,但将去除现役GPS卫星搭载的核爆探测器。

  之间的多种选项包括“一箭双星”发射、由GPS-3卫星和NavSat卫星组成星座等。其中的一些星座将利用搭载于地球静止轨道卫星(距离地面高度为36000km)的载荷进行增强,而现役GPS卫星的运行高度只有一半。这些增强载荷将搭载于专用卫星或者作为其他政府或者商业卫星的寄宿载荷。

  GPS-3系统采用“一箭双星”方案已经考虑了超过2年;洛马公司预计,每颗卫星将可以节省5000万美元。运载火箭供应商——联合发射同盟(ULA)在6月表示将与位于瑞士苏黎世的鲁格航天公司(Ruag Space)合作,使“宇宙神”-5运载火箭具备这项能力,但是国会仍未对该项研究进行投资。

  在谈及“一箭双星”方案时,GAO报告显示,“项目人员指出,这种方案需要减小GPS-3卫星的尺寸、重量和功率,以及开发允许2颗卫星一起发射的设备(适配器)。”

  小卫星的概念最近出现的更多。空军去年年底授予3家公司——波音公司、ITT Exelis公司和萨里卫星技术(美国)公司——一项总价值为38亿美元的合同,用于开展研究增强GPS星座的低成本卫星。波音航天与情报系统公司(位于加州埃尔塞贡多)有着建造GPS卫星的经验,但在GPS-3项目上输给了洛马公司;Exelis地理空间系统公司(位于纽约州罗切斯特)是一家提供GPS载荷的历史性供应商;而萨里公司位于英格兰的母公司是一家优秀的小卫星制造商,并且在欧洲伽利略(Galileo)系统中扮演重要角色。

  根据GAO报告,空军的报告可能已经了解了研制NavSats卫星的风险。“报告在阐述存在的技术风险时,包括研制更高效率的信号放大器,以及其他的尺寸、重量和功率降低技术,其结论是这些技术均不是高风险。然而,空军研究实验室研究人员——一直从事有关NavSats卫星部分技术的潜在应用研究——指出,一些新的技术目前仍处于相对较低的成熟度……,而且在2018年前,不可能用于GPS项目。”

  GAO指出,空军的方案都是基于标称的30颗卫星星座,而实现全GPS覆盖服务的最小需求是24颗卫星。由于2个星座方案存在这些显著的成本差异,空军应当阐明未来导航星座所需的卫星数量。

  GAO表示,空军在未来开展卫星导航方案评估时,应当包含地面段和用户段,并且主动与民用GPS团体沟通。

  国防部同意GAO提出的这些建议。(中国航天系统科学与工程研究院 陈建光)  

责任编辑:


http://www.space.cetin.net.cn/in ... 000&recno=94059

点评

早就注意到这个报告了:美国两大军工巨头的力量太过强大,想改变现有的GPS设计开发的努力都会遇到很大的阻力  发表于 2013-9-27 18:40
gnss 发表于 2013-12-18 05:56 | 显示全部楼层
洛马收到美国空军用于制造GPS III第五和第六颗卫星的合同费用
Lockheed Receives $200M for GPS III 5 and 6
Lockheed Martin Corporation has been awarded $200 million to produce GPS III satellites 05 and0 6 by the U.S. Air Force. Lockheed Marin originally received funding to procure long-lead parts for satellites five through eight (SV 05-08) in February.

The award is a $200,700,415 cost-plus-incentive-fee modification (P00276) on an existing contract (FA8807-08-C-0010). Work will be performed at Littleton, Colorado, and Clifton, New Jersey.

Work is expected to be completed by December 14, 2017, for space vehicle 05, and June 14, 2018, for space vehicle 06.

Fiscal 2013 missile procurement funds in the amount of $200,700,415 are being obligated at time of award. The Air Force Space and Missile Systems Center Contracting Directorate, Los Angeles Air Force Base, California, is the contracting activity.
cmj9808 发表于 2014-2-11 16:33 | 显示全部楼层
由于Exils负责的导航载荷出现节点延误,GPS IIIA的首射很可能推迟至明年。

目前组成GPS星座的31颗卫星中有10颗属于上世纪90年代发射的block IIA系列,这批卫星的设计寿命是7.5年,太空部队指挥官谢耳朵开玩笑说“老的都可以投票了”,急待替换。

http://www.spacenews.com/article ... -facing-more-delays

点评

GPS IIIA1 早就推迟到明年5月。文章中好像说了载荷问题不会影响发射。  发表于 2014-2-11 19:20
cmj9808 发表于 2014-2-28 23:35 | 显示全部楼层
墨西哥商业卫星Satmax-9将安装GPS信号转发载荷,成为FAA的天基GPS增强系统(WAAS)的一部分。

http://www.satellitetoday.com/re ... ng-aviation-safety/

king662us 发表于 2014-3-1 08:39 来自航空航天港手机版! | 显示全部楼层
这典型的是在军费削减的大前提形势下,要多分一杯羹啊!
gnss 发表于 2014-3-7 04:41 | 显示全部楼层
FY15 Budget: GPS III Procurement to Slow, Dual-Launch Funding Cut

The Air Force is slowing GPS modernization and dropping part of the funding for dual launch of satellites, said defense officials describing the President’s Fiscal Year 2015 (FY15) budget on Wednesday (March 5, 2014).

Air Force Undersecretary Eric Fanning said the Air Force would continue to “honor our investments and obligations” regarding the Global Positioning System but would “reprofile” the GPS III program so that it meets constellation sustainment demands.

“The issue there was the satellites lasted longer than we expected, said Maj. Gen. Robert McMurry, the Air Force’s director of space programs. “The GPS program procurement rate was a little bit faster than we needed (and) we were under pretty strong budget pressure for options. And so, while we would probably have a more efficient buy profile if we bought them at the rate we had planned, we decided we could delay that purchase rate, still meet the requirements for the on-orbit constellation . . . and at the same time save funding requirement that we needed in [the Future Years Defense Program].”

The overall delay in procurement will mostly affect space vehicles 9 (SV9) and beyond and SV8 should go on contract within the next few months, McMurry said. “Instead of buying 2, 2, 3, 3, 3 [satellites per year], I think we are buying 1, 1, 3, 3, 3,” he explained. “We’re just slowing down the number of them that we’re buying.”

According to the Air Force’s “Program Acquisition Cost by Weapon System” document for next fiscal year, the FY15 budget will fund procurement for GPS III SV9 and advance procurement for SV10.

The delivery of first GPS III satellite will slip to fiscal year 2016, McMurry said.

“We’ll pay a unit price that is a little higher,” with the delays, explained Deputy Air Force Under Secretary for Space Troy Meink, “but just like when you buy your car on payments, you pay more for the car, but you have cash flow management.”

The delay saves money beyond the cost of the satellites themselves, pointed out Meink; the Air Force also saves the cost of lifting them into space. “It’s kind of a 2-for-1 impact.”

When those GPS satellites are eventually launched, they will be less likely to be going up two at a time. Alhough there had been a push to move to dual launches for GPS, the FY15 budget does not have money to fund development of the launch vehicle capability to carry two spacecraft.

“We had previously funded dual launch in the launch line saying we were going to develop that as a [United Launch Alliance, a Lockheed/Boeing joint venture] capability. We have subsequently removed funding for that,” said McMurry. “The expectation is that . . . in the near term it is not as critical, given the lower replenishment rates that we have for GPS.”

A possibility remains, he said, that ULA may choose to develop dual-launch capability on its own. If it does, the GPS program will be able to take advantage of it, as the Air Force will keep funding the technology needed on the satellites for dual launches.

“We have maintained the development of dual-launch capability within the satellite line,” McMurry told reporters at a briefing on the Air Force’s space program. “The satellite itself will have the dual transponders and radio frequencies in place so that, if you launch two of them together, you could communicate with both of them independently.”

The plans, which are based on the assumption that federal budget “sequestration” will not reemerge in 2016, would have to be readjusted if more cuts are required, said Fanning. GPS III, he said, would be one of three air Force space program targeted for more cuts, and the Air Force would not be able to buy one of the three GPS III satellites now planned for procurement in FY17.

The delays, he pointed out could “add increase to the overall cost.”

The fundamental reason for the FY15 cuts, however, said Meink, is that the constellation is currently working well.

“We have a very healthy [GPS] satellite constellation,” said Meink. “Satellites are living longer than we predicted. So, we didn’t need to replenish them as fast as we originally planned, and it made no sense to spend that money if we didn’t need the satellites.”

http://www.insidegnss.com/node/3922
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Google翻译版:
2015财年预算: GPS III采购放缓,双启动削减经费

空军正在放缓的GPS现代化和下降的双重发射卫星的部分资金,说防务官员描述上周三( 2014年3月5日)总统的财政2015年( 2015财年)预算。

空军副国务卿埃里克·范宁说,空军将继续“履行我们的投资和义务”有关的全球定位系统,但会“ reprofile ”的GPS III计划,使其符合星座维持需求。

“有卫星的问题,持续时间超过我们的预期,称少将罗伯特·麦克默里,空间计划的空军的主任。 “该GPS方案的采购率比我们需要一个更快一点(和)我们的选择非常强大的预算压力。因此,虽然我们可能有一个更有效的买入配置文件,如果我们买了他们在我们原来的计划速度,我们决定,我们可以延迟的购买率,仍满足在轨星座的要求。 。 。并在同一时间节省,我们需要在【未来年度国防计划]资金需求。 “

在采购的总延迟将主要影响航天器9 ( SV9 )及以后SV8应该在未来几个月内继续合同,麦克默里说。 “与其买2 , 2 , 3 , 3 , 3 [每年卫星] ,我认为我们正在购买1 , 1 , 3 , 3 , 3 , ”他解释说。 “我们只是减缓他们的,我们正在购买的数量。 ”

根据空军的“计划收购成本由武器系统”文档下一财年, 2015财年的预算将资金用于采购GPS III SV9 ,推进采购SV10 。

第一颗GPS III卫星的交付将下滑至2016财年,麦克默里说。

“我们将付出单位价格是有点高, ”与延误,解释帮办空军太空特洛伊Meink , “但是当你买你的车款只是想,你为爱车付出更多,但你有现金流的管理。 “

延迟节省金钱超越了卫星本身的成本,指出Meink ;空军也节省了吊装他们进入太空的成本。 “这是一种一个2比1的影响。 ”

当这些GPS卫星最终被启动后,他们将不太可能被往上2的时间。 Alhough曾有过一个推移动到双发射的GPS ,在2015财年的预算没有钱资助的运载火箭能力的发展来进行两个航天器。

“我们以前曾资助在发射线双发射说我们要发展,作为一个[联合发射联盟是洛克希德/波音合资公司]的能力。我们随后删除了该资助, “麦克默里说。 “期望是。 。 。在短期内这并不重要,因为较低的补充率,我们有全球定位系统。 “

一种可能性仍然存在,他说,那ULA可以选择开发的双发射能力本身。如果是这样,该GPS方案将能够利用它,作为空军将继续需要对卫星进行双发射的技术提供资金。

“我们已经保持了在卫星线双发射能力的发展, ”麦克默里告诉记者,在对空军的太空计划的简报。 “卫星本身将有双重的转发和无线电频率的地方,这样,如果你开始他们两个人在一起,你可以与他们两个单独沟通。”

这些计划,这是基于这样的假设联邦预算“封存”不会在2016年再度出现,将有更多的,如果裁员须重新调整,说范宁。 GPS III ,他说,将有针对性的为更多的削减3空军太空计划之一,空军将无法购买的三个GPS III卫星目前计划采购的FY17之一。

的延误,他指出可以“添加增加了整体成本。 ”

其根本原因的2015财年削减,但是,说Meink ,是星座,目前运作良好。

“我们有一个非常健康的[GPS ]卫星星座, ” Meink说。 “卫星寿命更长,比我们的预测。所以,我们并不需要补充它们一样快,因为我们原计划,它没有任何意义花的钱,如果我们没有所需要的卫星。 “


cmj9808 发表于 2014-3-7 12:22 | 显示全部楼层
gnss 发表于 2014-3-7 04:41
FY15 Budget: GPS III Procurement to Slow, Dual-Launch Funding Cut
The Air Force is slowing GPS mode ...

USAF中止开发用于Atlas V的双星适配器意味着从2018年开始F9.1将成为发射GPS III的主力。
gnss 发表于 2014-3-26 03:53 | 显示全部楼层
General Dynamics Awarded $26M for GPS III Communications
General Dynamics Advanced Information Systems, a business unit of General Dynamics, has been awarded a $26 million contract from Lockheed Martin to support the U.S. Air Force GPS III  Network Communications Element (NCE).
General Dynamics is already under contract with Lockheed Martin to produce the NCE for the first four GPS III space vehicles (SV01-SV04), as well as for the procurement of long lead material for the second set of four space vehicles (SV05-SV08). This follow-on contract provides General Dynamics with the funding to complete the NCE for SV05 and SV06.
General Dynamics’ NCE components provide the communications functions for the GPS III satellites, including the ground-to-space command and control channel, the space-to-space inter-satellite channel, and the command and telemetry communications channels within each satellite. NCE components have been delivered for SV01 and SV02. The NCEs for SV03 and SV04 are scheduled for delivery by June 2014.
“We bring more than a half-century of experience in the spacecraft communications and navigation domain to this program,” said Kirstan Rock, vice president and general manager of Intelligence, Surveillance and Reconnaissance at General Dynamics Advanced Information Systems. “We look forward to continuing working with Lockheed Martin to deliver high-quality, reliable and affordable solutions to the Air Force to advance their mission.”
The Air Force’s next-generation GPS III satellites will improve position, navigation and timing services and provide advanced anti-jam capabilities yielding superior system security, accuracy and reliability.
GPS III is a critically important program for the U.S. Air Force, affordably replacing the aging constellation of GPS satellites currently in orbit. Compared to prior GPS vehicles, GPS III satellites will deliver three times better accuracy, provide up to eight times more powerful anti-jamming capabilities and include enhancements that extend spacecraft life 25 percent further. GPS III-series satellites also will carry a new civil signal designed to be interoperable with other international global navigation satellite systems, enhancing civilian user connectivity.




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gnss 发表于 2014-5-24 03:46 | 显示全部楼层
本帖最后由 gnss 于 2014-5-24 03:50 编辑

Lockheed Request for Data on Alternative GPS 3 Payloads Draws Five Responses

COLORADO SPRINGS, Colo. — Five companies have expressed interest in replacing Exelis as the payload provider on the next-generation GPS 3 satellite navigation system now in development and production, an official with prime contractor Lockheed Martin Space Systems said.

Exelis’ struggles on the payload — resulting delays and one very unhappy U.S. Air Force customer — prompted Lockheed Martin to consider switching suppliers beginning with the ninth satellite in the series. Denver-based Lockheed Martin Space Systems is so far under contract to build eight GPS 3 satellites, with Exelis providing the payloads.

“It’s a possibility,” Mark Valerio, vice president of military space business at Lockheed Martin Space Systems, said on the chances of holding a competition.

In a May 19 interview here at the 30th Space Symposium, Valerio said five companies responded to Lockheed Martin’s recent request for information on prospective alternative suppliers. However, he characterized some of the responses as having a “low technology readiness level.”

In a separate interview here, Chris Young, president of Rochester, New York-based Exelis Geospatial Systems, acknowledged the problems on the initial payload, but said things are beginning to come together.

The most technologically challenging component of the three-part payload, the mission data unit, is in thermal vacuum testing, Young said. The other components — the transmitter and atomic clocks — have completed that testing and been mounted on the payload’s main panel board, which measures about 3 meters by 3 meters, he said.

Assuming no more hiccups, Exelis expects to ship the completed payload in July to Lockheed Martin, where it will be integrated with the satellite platform and undergo acceptance testing, Young said. Only after the payload has cleared this phase of testing, which is expected to happen before the end of the year, will it have officially been delivered, he said.

Valerio said components of the payload are now passing tests they had previously failed.

Exelis is working on the first four GPS 3 payloads under a cost-plus development contract, and within the last month was put under a fixed-price contract for fifth through eighth instruments. The first GPS 3 satellite is currently slated to launch in 2016, about two years behind the original schedule.

During a media briefing May 20 here, Lt. Gen. Ellen Pawlikowski, commander of Air Force Space and Missile Systems Center in Los Angeles, which is procuring the GPS 3 system, reiterated the service’s displeasure with the way things have gone on the program.

“We want a GPS 3 that does what it’s supposed to do,” Pawlikowski said when asked about the possibility of introducing competition in the payload effort. “They [Lockheed Martin] know we are at best disappointed at the delays we’ve seen in the technical issues that their subcontractor has had,” she said.

Pawlikowski said it is her understanding, based on conversations with Lockheed Martin officials, that the company is looking at a full range of possibilities, including replacing the Exelis payload in its entirety or just some of its components.  

“The Air Force has to make that decision,” Young said of the possibility of a new payload competition. “If we have to compete for it we have to compete for it.”

Excelis has been building the GPS payloads, in their entirety or in part, since the program’s inception. Young cited the company’s 30-year history in GPS payload work and said building these kinds of advanced systems is always much easier said than done.

Young noted that the GPS 3 payload will provide three times the position-location accuracy and eight times the power of previous GPS instruments, the latter being important to counter electronic jamming threats. The new payload also is designed to last 15-17 years on orbit, 25 percent longer than the existing instruments.

“Am I unhappy with the cost overrun and schedule impacts that we’ve had? I’m not happy with that,” Young said. “But it is a challenging payload — it is is state-of-the-art GPS signal generation. It’s always easier to say you can do it than it is to do it.”

Chip Eschenfelder, a spokesman for Lockheed Martin Space Systems, declined to say which companies responded to the request for information.

Craig Cooning, vice president and general manager of Boeing Space and Intelligence Systems, said Boeing, which built the current generation of GPS satellites, would bid if the Air Force opts to hold a new competition. Boeing built major payload components for the GPS 2F satellites, including the mission data unit, but that program had its own issues with delays and cost overruns.

http://www.spacenews.com/article/military-space/40672lockheed-request-for-data-on-alternative-gps-3-payloads-draws-five




gnss 发表于 2014-6-14 04:39 | 显示全部楼层
本帖最后由 gnss 于 2014-6-14 04:42 编辑

USAF Rejected SpaceX Offer To Launch GPS 3 Satellites for $80M Each
By Mike Gruss | Jun. 13, 2014

The Air Force rejected the SpaceX proposal, “explaining that the GPS III satellites ‘may be acquired by competitive methods’ from ‘certified launch providers,’” the SpaceX timeline said. Credit: Exelis artist's concept
WASHINGTON — Months before the U.S. Defense Department disclosed plans to award a sole-source contract to United Launch Alliance for a block of national security satellite launches, the Air Force turned down an unsolicited bid from Space Exploration Technologies Corp. to launch the service’s GPS 3 navigation satellites for $79.9 million each, according to new filings in federal court.

In a timeline detailing events in the Air Force’s Evolved Expendable Launch Vehicle program and filed in the U.S. Court of Federal Claims June 4, SpaceX said it submitted the proposal on Aug. 16, 2012.

On Sept. 18, 2012, the Air Force rejected the proposal, “explaining that the GPS III satellites ‘may be acquired by competitive methods’ from ‘certified launch providers,’” the SpaceX timeline said.

SpaceX is not expected to earn formal certification from the Air Force to bid on national security launch missions until the end of this year at the earliest.

The exchange, as outlined, provides one of the clearest examples yet of SpaceX’s frustration with the Air Force process for buying rockets.

SpaceX has asked the court to bar the Air Force from buying 22 first-stage rocket cores on a sole-source basis from ULA. That number, a subset of the 36 cores the Air Force ordered from ULA last year under an $11 billion contract, reflects the missions for which SpaceX believes it can compete with its Falcon 9 rocket.

Two months after the Air Force rejected SpaceX’s proposal,  Frank Kendall, the Pentagon’s top acquisition official, issued a memo approving an Air Force plan to enter into the so-called block buy contract with ULA.

The block buy is part of a two-pronged strategy aimed at reining in the Air Force’s sky-high satellite launching costs. The other element is competition: Kendall’s plan also called for the Air Force to put up to 14 additional missions up for bid, giving newcomers like SpaceX a chance to win Pentagon business.

In March 2014, the Air Force announced it halved the number of space launches to be competitively awarded from 2015 to 2017 due in part to anticipated production slowdowns in satellite programs, primarily GPS 3.

The first of those competitively awarded missions, meanwhile, appears to be the launch of a classified payload for the U.S. National Reconnaissance Office, which operates the nation’s spy satellites. The Air Force on June 4 issued a draft request for proposals for that mission, dubbed NROL-79.

Industry sources have long said that SpaceX was vying for the GPS 3 missions, which appear well suited to the capabilities of the Falcon 9. The court filing is the first public disclosure of the asking price.

It is unclear whether SpaceX’s offer is still on the table. A spokeswoman for SpaceX, Allison Bryan, did not answer that question before presstime.

During a meeting with reporters May 19, Michael Gass, the president and chief executive of Denver-based ULA, said the average cost of its Atlas 5 401 rocket, one of the smaller versions of that vehicle, was about $164 million per launch for those missions under contract. Future versions, meaning those purchased after the block buy, would start at less than $100 million, he said.

ULA has accused SpaceX of charging prices that are 30 to 105 percent higher than what SpaceX has advertised online. On its website, SpaceX says its standard commercial Falcon 9 launches cost $61.2 million, although company officials have said government missions tend to have additional requirements that drive up their cost.

The Air Force, in additions filed to the SpaceX timeline, said it issued a request for proposals (RFPs) for the block buy in March 2012, and made a redacted copy of the request available to SpaceX the following month. “No prospective launch service providers objected to the RFP’s scope or any of its terms,” the Air Force addition reads.

One of the questions raised by the U.S. Department of Justice, which is representing the Air Force in the case, is whether SpaceX filed its protest within the proper time frame to be given consideration.

http://www.spacenews.com/article ... BE01AE4B369EFE25BE4
e=
gnss 发表于 2014-6-14 04:42 | 显示全部楼层
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美国空军拒绝SpaceX公司发要为$ 80M每次发射的GPS卫星3
由迈克·格鲁斯| 2014年6月13日

空军拒绝了SpaceX公司的建议,“解释说,GPS III卫星从'可以通过竞争的方式获得'认证推出提供商,'”SpaceX的时间轴说。信用:Exelis艺术家的概念
华盛顿 - 美国国防部透露计划授予一个单一来源合同,联合发射联盟的国家安全卫星发射块个月前,空军拒绝主动出价从太空探索技术公司推出该服务的GPS 3导航卫星的每个79900000美元,根据联邦法院的新申请。

在时间轴中详细介绍了空军的演进一次性运载火箭计划,并提交美国法院的联邦索赔6月4日的事件,SpaceX公司说,它提交的建议,2012年8月16日。

于2012年9月18日,空军拒绝了这个建议,“解释说,GPS III卫星从'可以通过竞争的方式获得'认证的推出提供者,'”SpaceX的时间轴说。

SpaceX公司预计不会获得正式认证从空军竞标国家安全的发射任务,直到今年在最早结束。

交换,概述,提供1个SpaceX公司的无奈与空军的过程购买火箭最明显的例子呢。

SpaceX公司已经要求法院从购买22第一级火箭核心在一个单一来源的基础上从ULA酒吧空军。这个数字,36芯空军从ULA在$ 11十亿合同订购去年的一个子集,反映了其SpaceX公司认为它可以与它的猎鹰9号火箭抗衡的任务。

两个月后,空军拒绝SpaceX公司的建议,弗兰克·肯德尔,五角大楼的顶级收购正式发表了一份备忘录,批准了空军计划进入与ULA所谓块买的合同。

该块买的是一个双管齐下的战略,旨在勒住在空军的天价卫星发射成本的一部分。另一个因素是竞争:Kendall的计划还呼吁空军把多达14个额外的任务为出价,给像SpaceX公司的新人有机会赢取五角大楼的业务。

在2014年3月,美国空军宣布,它减少了一半的空间发射的数目,竞争授予2015年至2017年,部分原因是在卫星节目预计生产放缓,主要是GPS 3。

首先那些竞争授予的任务,同时,似乎是推出一个分类的有效载荷为美国国家侦察办公室,经营国家的间谍卫星。空军于6月4日发出的建议这一使命,被称为NROL-79的要求草案。

业内人士早就说过,SpaceX公司在争夺全球定位系统3的任务,这似乎很适合猎鹰9号的功能。法院立案是第一个公开披露的要价。

目前还不清楚SpaceX公司的报价是否仍然在桌子上。一位女发言人SpaceX公司,艾里逊布莱恩,presstime之前没有回答这个问题。

在与记者5月19日会议上,迈克尔·盖斯,总部位于丹佛的均匀线阵的总裁兼首席执行官表示,其阿特拉斯5 401火箭,较小版​​本的车型之一,平均成本约为1.64亿美元每次发射对那些根据合同任务。未来的版本中,这意味着这些块买购买后,将开始以低于1亿美元,他说。

ULA指责收费的价格是比什么SpaceX公司已经在网上发布高出30至105%的SpaceX公司。在其网站上,SpaceX公司说,它的标准商业猎鹰9号发射成本61200000美元,虽然公司官员说,政府的任务往往有抬高其成本的附加要求。

空军,在补充提交给SpaceX的时间表,表示它发出建议书(招标书)于二零一二年三月块买的请求,并提出该请求的可用副本,节录向SpaceX公司在随后的一个月。 “没有预期的发射服务提供商反对RFP的范围或任何条款,”空军除了读取。

一个由美国司法部,它代表着空军的情况下,提出的问题是SpaceX公司是否在适当的时间框架来加以考虑内提出了抗议。
gnss 发表于 2014-6-14 04:44 | 显示全部楼层
Lockheed misses GPS III deadline, Air Force shops future satellite contractsBy Kristen Leigh Painter

The U.S. Air Force is officially shopping for alternative companies to head its high-profile GPS III program after its current contractor, Lockheed Martin Space Systems, hit production delays.

The Jefferson County-based aerospace company is facing scrutiny from the military branch for technical problems with its first GPS III satellite's navigation system, which is supplied by its subcontractor Exelis.

"It's not a surprise," Lockheed spokesman Chip Eschenfelder said. "We have not delivered on the first GPS III satellites."

Lockheed Martin will maintain its current contract for eight satellites, but the 22 remaining spacecraft expected to round out the constellation over the coming decades are up for bid, according to a notice posted by the Air Force on the Federal Business Opportunities website.

"This isn't going to have any impact on any current contracts," Eschenfelder said, and "it won't impact our chances on any future opportunities."

The company received $1.4 billion for production of the first four satellites at its Waterton Canyon facility, so billions of dollars are at stake with the future contracts.

GPS III is the next generation of the U.S. government's global positioning system used not only by the military, but civilians across the globe. It is expected to deliver three times as much accuracy, between three and eight times as much power and provide users worldwide with dramatically improved coverage in hard to reach areas from the existing constellation.

Exelis' navigation system was producing crosstalk, or signal interference, that prevented Lockheed from delivering by its target date earlier this year. Now the company anticipates a 2015 deliver date for the first next generation satellite.

"The navigation payload from Exelis is late," Eschenfelder said, but "we are the prime (contractor). We hire the subcontractors, so we bear the responsibility."

Lockheed says all of its critical subsystems are fully tested and ready to go, except the mission-data unit from Exelis' navigation system, which is still undergoing rigorous tests.

"This is done because we want it flawless," Eschenfelder said. "And it is also the first GPS III satellite, so the problems we solve now are things we won't have to deal with on future satellites."

Lockheed Martin conducted its own shopping experiment last year after the company realized it was going to hit production delays with Exelis. The company is still in discussions with industry and analyzing feedback.

Colorado has several other stakeholders involved in GPS III. Lockheed Martin estimated last May that — all subcontractors considered — more 1,000 Colorado jobs supported GPS III development.

GPS III's new ground system — Next Generation Operational Control System (OCX) — is being developed and built in Aurora by Raytheon for nearly $1 billion, employing 450 people and another 150 supported positions through the company's GPS subcontractors.

Once it is built, the entire system will be controlled from Schriever Air Force Base in Colorado Springs.

In addition to the major contractors, many other Colorado subcontractors — such as Braxton, Boeing and Infinity, all in Colorado Springs — are playing an integral role in the GPS modernization efforts.

http://www.denverpost.com/busine ... ine-air-force-shops


gnss 发表于 2014-6-14 04:47 | 显示全部楼层
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洛克希德错过GPS III的最后期限,空军商铺未来的卫星合同

美国空军官方购物替代公司目前的承包商,​​洛克希德·马丁空间系统后,负责其高调的GPS III计划,打击生产延误。

杰斐逊县为基础的航空航天公司是由技术问题,它的第一颗GPS III卫星的导航系统,这是由它的分包商Exelis提供军事部门面临审查。

“这不是一个惊喜,”洛克希德发言人芯片Eschenfelder说。 “我们还没有交付的第一个GPS III卫星。”

洛克希德·马丁公司将维持其目前的合同八颗卫星,但预计将轮出的星座在未来几十年的其余22飞船是为出价,根据张贴由空军在联邦商业机会网站的通知。

“这不会有任何现有合约产生任何影响,”Eschenfelder说,和“它不会对任何未来的机会影响我们的机会。”

该公司接受了$ 1.4十亿为生产第一四颗卫星在其沃特顿峡谷的设施,让数十亿美元受到威胁的期货合约。

GPS III是新一代美国政府的军队不仅用于全球定位系统,但平民在全球各地。它预计将提供三倍的准确性,三至八倍大的权力,并为用户提供与世界各地的硬大大提高覆盖范围,由现行的星座到达的地区。

Exelis'导航系统产生的串扰,或信号干扰,即防止洛克希德从今年早些时候的目标日期交付。现在,该公司预计2015年的交付日期,第下一代卫星。

“从Exelis导航有效载荷已经晚了,”Eschenfelder说,“但我们的主要(承包商),我们聘请的分包商,所以我们承担的责任。”

洛克希德说,它的所有关键子系统的全面测试和准备好了,除了从Exelis导航系统,这是仍处于严峻考验任务的数据单元。

“这样做是因为我们想让它完美无瑕,”Eschenfelder说。 “而且它也是第一款GPS III卫星,所以我们现在解决问题的事情,我们不会要处理未来的卫星。”

洛克希德·马丁公司进行了自己的购物实验后,去年该公司意识到这是要打击生产延误与Exelis。该公司仍然在与工业界和分析反馈的讨论。

科罗拉多州有涉及GPS III几个其他利益相关者。洛克希德·马丁公司估计去年5月 - 所有分包商认为 - 更多1,000科罗拉多作业支持GPS III的发展。

GPS III的新型地面系统 - 下一代操作控制系统(OCX) - 正在开发和雷神公司建造的极光为近10十亿,从业人员450人,另有150支持位置通过该公司的全球定位系统的分包商。

一旦建成,整个系统将来自施里弗空军基地在科罗拉多斯普林斯进行控制。

除了主要承包商,很多其他科罗拉多分包商 - 如斯顿,波音公司和无限,尽在科罗拉多斯普林斯 - 正发挥着不可或缺的作用在GPS现代化的努力。

cmj9808 发表于 2014-8-2 23:54 | 显示全部楼层
GPS 2F-7的发射直播中提到目前的31星GPS星座由6颗2A,12颗2R,7颗2R-M和6颗2F组成,其中21星正在超期服役。
cmj9808 发表于 2015-2-25 14:29 | 显示全部楼层
GPS IIIA首星发射推迟至2017,洛马首次证实Falcon 9将作为GPS IIIA的候选发射载具。

Lockheed Martin and the Air Force also are examining the feasibility of launching GPS 3 satellites aboard SpaceX Falcon 9 rockets, which are thought to be considerably cheaper than the United Launch Alliance Atlas 5 and Delta 4 rockets currently used to launch U.S. military payloads.

“There is nothing that we have seen so far that we could not launch off Falcon 9,” Valerio said.

- See more at: http://spacenews.com/launch-of-f ... thash.8C2yVYHd.dpuf
gnss 发表于 2015-3-27 04:03 | 显示全部楼层
GAO发布GPS星座进展报告。

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cmj9808 发表于 2015-4-25 15:22 | 显示全部楼层
WAAS项目总承包商雷锡恩选择Eutelsat 117 West B/Satmex 9 (116.8W) 和 SES-15 (129W)搭载WAAS的导航载荷,将目前的3星系统(Galaxy 15 (133W), Anik F1R (107.3W)和Inmarsat 4F3 (98.5W) )扩充至5星。


http://spacenews.com/raytheon-picks-ses-15-to-host-gps-augmentation-payload/
PS;有趣的是这两颗星都是波音的702SP全电星,不知是巧合还是雷锡恩有意为之。

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黑与白 发表于 2015-10-4 12:43 | 显示全部楼层
国外最新消息,轨道ATK拿到了GPS IIIB的合同
黑与白 发表于 2015-10-4 13:05 | 显示全部楼层
GPS3 2018年发射面临一个困境,美国空军要求火箭公司在最晚11月拿出方案投标,但唯一有资格的公司ULA有发动机限制,无法投标,而spacex公司要使用F9 1.2火箭,但通过资格认证的是1.1火箭,所以严格来说没有公司能在11之前投标,F9 1.2需要至少3次连续成功发射,才能获得补充认证

所以如果政策不改,这个招标名存实亡
黑与白 发表于 2015-11-16 19:10 | 显示全部楼层
还有一天截止ULA和spacex都没投标,招标基本报废,ULA,没屈服,依然不用D4投标
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