F-22 Raptors at Langley AFB Grounded After Oxygen Problem

All F-22 Raptors at Langley Air Force Base in Virginia have been grounded after a pilot experienced loss of oxygen while flying. Air Force officials are meeting on Friday to determine whether it is necessary to extend the grounding to the rest of the F-22 fleet. The pilot experienced what is known as "hypoxia," and had to return to base. (www.foxnews.com) さらに...