A U.S. Marine Corps CH-53E Super Stallion helicopter delivers a sling loaded Humvee to the landing zone while participating in an air assault course event during Integrated Training Exercise 2-15 at Marine Corps Air Ground Combat Center, Twentynine Palms (MCAGCC), Calif., Jan. 31, 2015. MCAGCC conducts relevant live-fire combined arms training, urban operations and joint/coalition level integration training that promotes operational forces readiness. (U.S. Air Force photo by Airman 1st Class Matthew L. Garcia/Released)