Cpl. Isaac Baraneso with 2nd Battalion, 4th Marine Regiment, attached to 31st Marine Expeditionary Unit, holds a defensive blocking position while participating in an exercise to secure Orote Airfield on Naval Base Guam during Exercise Valiant Shield. VS16 is a biennial field exercise with a primary focus on interoperability and integration of joint training among forces. ( Navy photo by Mass Communication Specialist 1st Class John Johnson)

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Size: 4928px × 3280px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 2016, 2nd, 31st, 4th, battalion, expeditionary, marine, regiment, shield, unit, valiant