BUILDER BATTALION U.S. Navy Seabees assigned to Naval Mobile Construction Battalion depart an Air Force C-17 aircraft following its arrival on a forward operating base in Helmand province, Afghanistan, Jan. 28, 2009. The construction battalion is deployed to Afghanistan to provide construction support to forces supporting NATO International Security Assistance Forces. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 695828-L-CLN27-204.jpg Photo Gallery