U.S. Marines from 2nd Battalion, 1st Marine Regiment,

U.S. Marines from 2nd Battalion, 1st Marine Regiment, 1st Marine Division board a U.S. Marine Corps MV-22 Osprey tilirotor aircraft from Marine Medium Tiltrotor Squadron (VMM) 161, Marine Aircraft Group 16, 3rd Marine Aircraft Wing for a large scale air assault during Dawn Blitz 2013 on Camp Pendleton, Calif., June 21, 2013. The Marines are taking part in an air assault training exercise to Marine Corps Air Ground Combat Center Twenty-nine Palms as a part of a scenario-driven exercise for Dawn Blitz 2013 which tests their ability to conduct complex operations essential for global crisis response. (U.S. Marine Corps photo by Lance Cpl. Darien J. Bjorndal/Released)