Crunch Time Marine Corps recruits do crunches during a physical fitness test at Marine Corps Recruit Depot San Diego, Aug. 29, 2016. Recruits must run 3 miles in 18 minutes, complete 100 crunches in two minutes and conduct 20 dead hang pullups to get a perfect score. Marine Corps photo by Lance Cpl. Kailey Maraglia SHARE: Download: Full Size (0.91 MB) Credit: Lance Cpl. Kailey Maraglia VIRIN: 160829-M-CF555-871A.JPG Photo Gallery