Log Drills Marine Corps recruits take part in log drills at Marine Corps Recruit Depot San Diego, Nov. 14, 2022. The log drill exercise is used to form unit cohesion. SHARE IMAGE: Download Image: Full Size (6.82 MB) Tags: Marine Corps Photo By: Marine Corps Cpl. Elliott Flood-Johnson VIRIN: 221114-M-YD788-2165A.JPG Photo Gallery