An AH-1Z Cobra with Marine Aircraft Group (MAG-39) taxis down the flight line aboard Marine Corps Air Station Camp Pendleton, Calif., April 28. Col. Michael Borgschulte, commanding officer of MAG-39, developed a Marine Air-Ground Task Force integration effort to develop a closer integration of the ground combat element and aviation combat element. (U.S. Marine Corps photo by Cpl. Alissa P. Schuning/Released) - An AH-1Z Cobra with Marine Aircraft Group (MAG-39) taxis down the flight line aboard Marine Corps Air Station Camp Pendleton, Calif., April 28. Col. Michael Borgschulte, commanding officer of MAG-39, developed a Marine Air-Ground Task Force integration effort to develop a closer integration of the ground combat element and aviation combat element. (U.S. Marine Corps photo by Cpl. Alissa P. Schuning/Released)

A convoy with Marine Wing Support Squadron 273 pauses in the desert of southwest Afghanistan May 4. MWSS-273 Marines and Sailors traveled to southwestern Afghanistan to build a safe helicopter landing zone for the personnel of Echo Company, 2nd Battalion, 6th Marine Regiment. - A convoy with Marine Wing Support Squadron 273 pauses in the desert of southwest Afghanistan May 4. MWSS-273 Marines and Sailors traveled to southwestern Afghanistan to build a safe helicopter landing zone for the personnel of Echo Company, 2nd Battalion, 6th Marine Regiment.