U.S. Navy Petty Officer 2nd Class Kowalsky Lucien assits a U.S. Marine on the correct way to fill out required paperwork during a walking blood bank on Camp Leatherneck, Helmand province, Afghanistan, Aug. 14, 2014. Lucien is a hospital corpsman assigned to Combat Logistics Battalion 1. U.S. Navy Petty Officer 2nd Class Kowalsky Lucien assits a U.S. Marine on the correct way to fill out required paperwork during a walking blood bank on Camp Leatherneck, Helmand province, Afghanistan, Aug. 14, 2014. Lucien is a hospital corpsman assigned to Combat Logistics Battalion 1. SHARE: Download: Full Size (1.83 MB) Tags: Photo Essays Credit: VIRIN: 042280-I-JTH78-044.jpg Photo Gallery