Keywords: US Navy 060314-N-0057D-047 Yeoman 1st Class Mark Calcaterra a Navy Reservist from NR Tactical Support Center Headquarters Unit 5, loads a GAU-21 .50 caliber machine gun during an Individual Augmentee Training Course at the McCr.jpg en Fort Jackson S C March 14 2006 - Yeoman 1st Class Mark Calcaterra a Navy Reservist from NR Tactical Support Center Headquarters Unit 5 loads a M2 50 caliber machine gun during an Individual Augmentee Training Course at the McCrady Training Center The Sailors are conducting training prior to deploying to the Combined Joint Task Force-Horn of Africa U S Navy photo by Photographer's Mate 1st Class Timm Duckworth RELEASED 2006-03-14 060314-N-0057D-047 Navy http //www navy mil/view_image asp id 33147 U S Navy photo by Photographer's Mate 1st Class Timm Duckworth PD-USGov-Military-Navy Fort Jackson South Carolina Browning M2 of the US Navy |