Air Force Says Tight Vests Are What Has Been Grounding All These F-22s [Airplanes]
For years now, the U.S. Air Force's F-22 Raptors have been relentlessly plagued by some mystery flaw that keeps threatening to suffocate pilots. The previous best guess had something to do with glue but now the USAF is saying it's found the culprit: vests. According to Air Force Major General Charles Lyon, who presented the findings to the Pentagon, a faulty valve connected to pilots' Combat Edge upper pressure garment caused the vests to inflate too early. The vests, designed to control pilots' breathing at high altitudes and high speeds, were triggering before the extreme G-forces for which they were intended. "It's like putting a corset around your chest," Lyon said. The vests in question were also used by F-15 and F-16 pilots starting in 1992, but were abandoned in 2004 when officials decided the vests weren't helping as much as expected. F-22s, on the other hand, kept on using the vests since they go a bit higher than their predecessors. The Air...