Marines with Bravo Company, 1st Combat Engineer Battalion (1st CEB), conduct security operations during Exercise Pioneer Express at Army National Guard Base Camp Roberts, Calif., Sept. 4, 2015. The exercise allows 1st CEB to conduct command and control of engineer forces, reconnaissance, mobility, counter-mobility and survivability operations in order to prepare for future real world engineer operations. ( Marine Corps photo by Lance Cpl. Ryan Kierkegaard, 1st Marine Division Combat Camera/Released)

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

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