Instructor Focus Marine Corps Sgt. Manuel De La Rosa, a drill instructor, observes a pugil stick event at Marine Corps Recruit Depot San Diego, Aug. 27, 2024. Recruits are taught martial arts techniques to help build a warrior ethos and esprit de corps. SHARE: Download: Full Size (2.48 MB) Tags: fitness, marine corps Credit: Marine Corps Cpl. Elliott Flood-Johnson VIRIN: 240827-M-YD788-1106A.JPG Photo Gallery