Recent F-22 oxygen problems were mechanical

The USAF clarified that two separate incidents involving the F-22’s oxygen system recently were mechanical in nature.

The first case occurred on Jun. 26 in Virginia and another one was on Jul. 6 in Hawaii.

[thumb]http://www.nytimes.com/2012/07/13/us/mechanical-problems-reported-in-two-f-22s.html?_r=1[/thumb]