U.S. Marine Corps photo by Sgt. Jacob H. Harrer/Released 130730-M-XZ121-398.JPG
Aug 7, 2013
MARINE CORPS BASE CAMP PENDLETON, Calif. – Sergeant Erik A. Christianson, martial arts instructor trainer, Weapons Field Training Battalion, teaches his Marines the importance of breaking down mental barriers after a combat conditioning exercise as part of the Martial Arts Instructor Course at Edson Range here, July 30, 2013. Christianson, a native of La Crosse, Wisc., said the body is much more capable than people realize, and he pushed his Marines past their limits to help them develop mental toughness. (U.S. Marine Corps photo by Sgt. Jacob H. Harrer)
CAMERA
N/A
LENS
APERTURE
SHUTTERSPEED
ISO
No camera details available.
This photograph is considered public domain and has been cleared for release. If you would like to republish please give the photographer appropriate credit. Further, any commercial or non-commercial use of this photograph or any other DoD image must be made in compliance with guidance found at https://www.dimoc.mil/resources/limitations, which pertains to intellectual property restrictions (e.g., copyright and trademark, including the use of official emblems, insignia, names and slogans), warnings regarding use of images of identifiable personnel, appearance of endorsement, and related matters.