Marine Corps Pfc. Brandon Tressler conducts a max set of sit-ups after completing a 1.5 mile ruck run on Camp Lejeune, N.C., Oct. 20, 2015. The screener prepares candidates for the Scout Sniper Basic Course. Tressler is a scout sniper screener candidate from 3rd Battalion, 6th Marine Regiment. U.S. Marine Corps photo by Cpl. Kirstin Merrimarahajara