A roleplayer practices combat gliding with U.S. Marines

A roleplayer practices combat gliding with U.S. Marines from 3rd Battalion, 7th Marine Regiment aboard Yuma Proving Grounds, Arizona, in support of the Special Purpose Marine Air Ground Task Force-Crisis Response-Central Command 15.2's (SP-MAGTF-CR-CC 15.2) Certification Exercise (CertEx) February 9, 2015. CertEx is a series of certifying exercises to test the SP-MAGTF-CR-CC 15.2 across a broad spectrum of mission sets and core mission essential tasks (METs). SP-MAGTF-CR-CC 15.2 will occur aboard several locations across Southern California, Arizona, and Nevada beginning Feb. 9 and ending Feb. 14, 2015. (U.S. Marine Corps Photo by Cpl Cansin P. Hardyegritag)