Marine Corps recruits with Company L, 3d Recruit Training Battalion, Recruit Training Regiment, use a collimator to adjust the rifle combat optics (RCO) of M16A4 service rifles aboard Edson Range, Marine Corps Base Camp Pendleton, Calif., 21, 2016. The recruits were tasked with adjusting the sights of other recruits RCOs prior to firing. ( Marine Corps photo by Lance Cpl. Erick J. ClarosVillalta/Released)

---

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

Keywords: 3d, battalion, camp, company, grass, lima, pendelton, recruit, rtbn, training, week