Yuma, Ariz., native, Sgt. Tyler Tellez, a sapper instructor with 1st Combat Engineer Battalion, 1st Marine Division, I Marine Expeditionary Force, demonstrates how to operate AT4 anti-tank rockets during Exercise Pioneer Express at Camp Roberts, Calif., Sept. 8, 2015. The exercise prepares Marines to successfully execute expeditionary operations by refining command and control methods, reconnaissance, mobility, counter-mobility and survivability operations. ( Marine Corps photo by Lance Cpl. Caitlin Bevel)

---

Size: 2426px × 1749px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1st, battalion, ceb, combat, div, division, engineer, expeditionary, express, force, mar., marine, mccre, mef, pioneer, training