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Citat:The aircraft in fiscal 2014 flew at a mission capable rate of 56.9 percent, up from 46.7 percent the year before.
The increase is because of a "cost effective" program to sustain problem areas of the stealth bomber, namely the stealth materials on its skin, LaPlante said.
"In fact, one of the biggest contributors to the availability challenge is the maintenance of those materials," LaPlante told the House Armed Services projection forces subcommittee. "That's something going in the right direction. The availability is getting better because of that work."
The service only flies 20 of the B-2s. With a constant rotation of the jets in scheduled depot maintenance, the mission-capable rate of the aircraft has been lower than those of other aircraft in the service's fleet. The depot cycle takes approximately 13 months at Northrop Grumman's Plant 42 in Palmdale, California. About 70 percent of the B-2's programmed depot maintenance tasks is related to treating the low-observable coating system, according to the Air Force.
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Citat: The biggest modernization priority is an effort to upgrade the jet's Defensive Management System, which includes new on-board computers and antenna systems.
"If we don't do DMS, we won't have the capability to operate in a modern, contested environment," LaPlante said.
http://www.airforcetimes.com/story/military/tech/2...../24388631/
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