Marines from the School of Infantry-East, upload a radio frequency and perform a radio check during the Radio Communication Performance Evaluation Checklist portion of the Combat Instructor Stakes on Camp Lejeune, , March 16, 2015. The School of Infantry-East hosted the Combat Instructor Stakes, which is a grueling 30-hour competition that pits two man teams against each other, competing in physical, tactical and knowledge based events while carrying a combat load and moving over 50 kilometers on foot. ( Marine Corps photo by SOI-East Combat Camera, Cpl. Andrew Kuppers/ Released)

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Size: 5760px × 3840px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ci, combat, infantry-east, instructor, school, soi-east, stakes