The U.S. Air Force will finish installing a backup oxygen system for the F-22 only by mid-2014.
[thumb]http://www.dailypress.com/news/military/dp-nws-raptor-changes-20120518,0,6806704.story[/thumb]
Aviation News
The U.S. Air Force will finish installing a backup oxygen system for the F-22 only by mid-2014.
[thumb]http://www.dailypress.com/news/military/dp-nws-raptor-changes-20120518,0,6806704.story[/thumb]