U.S. Marine Lance Cpl. Richard Campbell, an MV-22 crew chief, assigned to Marine Medium Tiltrotor Squadron 166 out of Miramar, Calif., looks out the Osprey’s hatch at Mountain Home Air Force Base, Idaho, Aug. 18. Approximately 180 Marines from VMM-166 will conduct training at the base from Aug. 9 to 25. (U.S. Air Force photo by Airman 1st Class Heather Hayward)