Petty Officer 3rd Class Kristopher Krysa, 27, from La Grange Park, Ill., a corpsman with Security Force Assistance Advisor Team 2-215, looks out over the Sangin Valley during a routine generator maintenance mission on an Afghan National Army base near Forward Operating Base Nolay, Helmand province, Afghanistan, Jan. 28, 2014. Krysa spends much of his time training Marines in preventative medicine and treating sick call patients if he’s not busy helping the ANA medical staff or helping Marines with daily tasks.