Osprey Entry Marines board an MV-22B Osprey tiltrotor aircraft at Camp Pendleton, Calif., June 28, 2018, during air-to-ground helicopter training as part of exercise Rim of the Pacific. Marine Corps photo by Cpl. Robert G. Gavaldon SHARE: Download: Full Size (2.21 MB) Tags: Marines, Exercises, training, Marine Corps, RIMPAC 18 Credit: Cpl. Robert Gavaldon VIRIN: 180628-M-PG096-1032C.JPG Photo Gallery