Chief Joshua Oswald engages targets with an M2 .50-caliber machine gun U.S. Navy Chief Petty Officer Joshua Oswald engages targets with an M2 .50-caliber machine gun during training at the long range on Forward Operating Base Farah in the Farah province of Afghanistan on Sept. 22, 2012. Oswald is attached to the Farah Provincial Reconstruction Team. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 729093-K-KRF32-889.jpg Photo Gallery