Credit: U.S. Marine Corps video by Lance Corporal Aaron M. Shortt. Defense Imagery Management Operations Center.\rbrU.S. Marines with Landing Support Company. Combat Logistics Regiment (CLR) - 27 conduct an External Lift exercise with a Marine Corps CH-53 Super Stallions at Landing Zone Bull in the Imperial Desert. CA, Oct. 01, new. CLR-27 was in support of Weapons and Tics instructor cource 1-12 hosted by Marine Aviation Weapons and Tics Squadron One. \rbr\rbrClick to subscribe! The most viewed aviation channel on YouTube.