Marines with Marine Medium Tiltrotor Squadron 163 perform pre-flight checks on MV-22B Ospreys prior to a large-scale training flight aboard Marine Corps Air Station Miramar, California, April 10. This training operation marks the last time the commanding officer of VMM-163 will participate in a squadron-sized event before relinquishing command. - Marines with Marine Medium Tiltrotor Squadron 163 perform pre-flight checks on MV-22B Ospreys prior to a large-scale training flight aboard Marine Corps Air Station Miramar, California, April 10. This training operation marks the last time the commanding officer of VMM-163 will participate in a squadron-sized event before relinquishing command.

Sgt. Brianna Conte, a landing support team leader with Combat Logistics Battalion 5 and Lafayette, Calif., native, directs her team after executing an external cargo hookup with a hovering Kaman K1200, 'K-MAX,' unmanned helicopter in Helmand province, Afghanistan, May 22. The CLB-5 Marines made history with Marine Unmanned Aerial Vehicle Squadron 2 by performing the world's first unmanned 'hot hookups' and assisting in the delivery of nearly 6,000 pounds of gear on the first day of trials. - Sgt. Brianna Conte, a landing support team leader with Combat Logistics Battalion 5 and Lafayette, Calif., native, directs her team after executing an external cargo hookup with a hovering Kaman K1200, 'K-MAX,' unmanned helicopter in Helmand province, Afghanistan, May 22. The CLB-5 Marines made history with Marine Unmanned Aerial Vehicle Squadron 2 by performing the world's first unmanned 'hot hookups' and assisting in the delivery of nearly 6,000 pounds of gear on the first day of trials.

Marines greet the last Marine Light Attack Helicopter Squadron 369 flight section on the flight line aboard Camp Bastion, Afghanistan, May 15. HMLA-469 assumed control of combat operations in a midnight transfer of authority ceremony, marking the end of HMLA-369 "Gunfighter" combat in Afghanistan. - Marines greet the last Marine Light Attack Helicopter Squadron 369 flight section on the flight line aboard Camp Bastion, Afghanistan, May 15. HMLA-469 assumed control of combat operations in a midnight transfer of authority ceremony, marking the end of HMLA-369 "Gunfighter" combat in Afghanistan.