This “CB” caught our attention. The Seabees, or SeaBees, are the Construction Battalions (CBs) of the United States Navy. The Seabees have a history of building bases, bulldozing and paving thousands of miles of roadway and airstrips, and accomplishing myriad other construction projects in a wide variety of military theatres dating back to World War II. More: http://en.wikipedia.org/wiki/Seabee http://en.wikipedia.org/wiki/Amphibious_Construction_Battalion_One
