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Poslao: 27 Feb 2016 19:12
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- Toni
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Problemi za JLENS
Citat:The system relies on pilot-less blimps, each 242 feet long and loaded with radar gear, that hover at altitudes of up to 10,000 feet. At that height, according to Raytheon, the radar can see 340 miles in any direction, far beyond the limits that Earth's curvature imposes on land- or sea-based radar.
The blimps are designed to operate in pairs. One searches the skies for threats. The other is supposed to focus on selected airborne objects and transmit "fire control" data on their location, speed and trajectory. That data would guide U.S. fighter jets or ground-fired rockets to destroy an incoming weapon.
The Pentagon test office had previously described JLENS as unreliable. Its 2012 annual report gives JLENS low marks for its ability to find and track targets and to distinguish friendly aircraft from real threats. The report also cites “software stability” problems affecting the fire-control radar. The office’s 2013 report notes similar deficiencies.
Citat:Rep. Jackie Speier (D-Hillsborough), a member of the House Armed Services Committee, called JLENS "a failed program’" and said she would "fight to eliminate it."
"We know it doesn’t work," Speier said in a statement this week. "We know that in high winds another JLENS [blimp] is liable to get loose and do millions of additional dollars in property damage. Congress needs to send a clear message and zero out this program."
Philip E. Coyle III, a former director of the Pentagon test office who was also a science advisor in the Obama White House, said the JLENS operational exercise should be scrapped.
Coyle said in an interview that JLENS should be downgraded to "research-and-development" status while engineers address its deficiencies.
"It’s not ready for prime time," he said.
http://www.latimes.com/nation/la-na-blimp-testing-20160226-story.html
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Poslao: 23 Jun 2016 13:21
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- Toni
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Izgleda da ce JLENS dobiti namenu, rano upozorenje na krstarece rakete
Long Live JLENS? NORTHCOM Scrambles to Address Cruise Missile Defense Gap
Citat:WASHINGTON — The tethered aerostat designed to defend against cruise missiles is slated to be killed by Congress in fiscal 2017 legislation, leaving missile defense leaders within US Northern Command scrambling to find another way to address the cruise missile defense gap left open on the US East Coast.
“We are currently working within NORTHCOM now to find some type of solution on the East Coast for surveillance,” Col. Donnie Wilson, of the South Carolina National Guard, who serves as operations officer G-3 for the 263rd Army Air and Missile Defense Command, said Wednesday at a Center for Strategic and International Studies event on the future of Army missile defense.
“If you can’t see it, you definitely can’t kill it,” he said, therefore, NORTHCOM is “working diligently to find the capability … to provide the East Coast coverage to be able to integrate in the [National Capitol Region] in both shooter and sensor capabilities.”
http://www.defensenews.com/story/defense/2016/06/2...../86265942/
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Poslao: 05 Jul 2016 17:56
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- djox
- Legendarni građanin
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Ruski baloncic u Siriji
Citat:A Russian military observation blimp has been tethered over Hmeymim
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