Explaining Medevac Procedure A Marine explains how to call in a medevac request to team members during Integrated Training Exercise 2-18 at Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., Jan. 23, 2018. Marine Corps photo by Pfc. William Chockey SHARE: Download: Full Size (1.67 MB) Tags: Marines, Northcom, Northern Command, training, Marine Corps Credit: Pfc. William Chockey VIRIN: 180123-M-UB217-0007A.JPG Photo Gallery