Sling Load Ops Soldiers sling load an M777A2 howitzer onto a Marine Corps CH-53E while conducting elevator training drills during Steel Crucible at Schofield Barracks, Hawaii, Sept. 14, 2021. The exercise is designed to increase joint air assault proficiency. SHARE: Download: Full Size (1.45 MB) Tags: Army Credit: Army Spc. Jessica Scott VIRIN: 210914-A-PO701-273M.JPG Photo Gallery