Lance Cpl. Oscar Kush, mortarman, Weapons Company, 1st Battalion, 1st Marine Regiment, and a native of Chicago, trains in Mixed Martial Arts during his personal time away from duty in Oceanside, Calif., Oct. 3, 2013. Kush_qt_s experience in the Marine Corps helps prepare him mentally for the challenges of being an MMA fighter. Kush_qt_s training has paid off with two wins and zero losses.