LIGHTNING TEST An F-35B Lightning II aircraft prepares to take off from the amphibious assault ship USS Wasp during an F-35 developmental test event in the Atlantic Ocean, Aug. 14, 2013. The F-35B is the Marine Corps variant of the Joint Strike Fighter and is undergoing testing aboard the Wasp. SHARE: Download: Full Size (44.4011 MB) Tags: week in photos, week in photos Credit: VIRIN: 843272-B-FOD56-568.jpg Photo Gallery