Students learn about the F-35B Lightening Bolt Joint Strike Fighter’s wing system from USMC Staff Sgt. Christopher Johnson (2nd from left) during training at Eglin Air Force Base, Fla., Jul. 19, 2012. The USMC is standing up their first-ever field training detachment with the 372nd Training Squadron Detachment 19 at Eglin, part of the 982nd Training Group at Sheppard Air Force Base, Texas. (U.S. Air Force photo/Dan Hawkins)