An MV-22 Osprey aircraft takes off during flight operations aboard the amphibious assault ship USS Boxer in the Pacific Ocean, July 31, 2013. The Boxer Amphibious Ready Group is underway off the coast of Southern California completing a certification exercise. The Osprey is assigned to the Marine Medium Tiltrotor Squadron 166. An MV-22 Osprey aircraft takes off during flight operations aboard the amphibious assault ship USS Boxer in the Pacific Ocean, July 31, 2013. The Boxer Amphibious Ready Group is underway off the coast of Southern California completing a certification exercise. The Osprey is assigned to the Marine Medium Tiltrotor Squadron 166. SHARE: Download: Full Size (5.44 MB) Tags: Photo Essays, Week In Photos, Week In Photos Credit: VIRIN: 354389-X-KVO43-551.jpg Photo Gallery