U.S. Marines with Battalion Landing Team, 3rd Battalion,

U.S. Marines with Battalion Landing Team, 3rd Battalion, 1st Marine Regiment, 15th Marine Expeditionary Unit, watch the night sky during Composite Training Unit Exercise (COMPTUEX) aboard Marine Corps Air Ground Combat Center Twentynine Palms, Calif., March 25, 2015. The Marines of BLT 3/1 train in harsh environments to hone their skills and improve their combat effectiveness as a unit. (U.S. Marine Corps photo by Sgt. Jamean Berry/Released)