Washington, D.C. (Dec. 1, 2006) -- Conversion of the 110-foot patrol boats involved the addition of 13-feet to the stern for a small boat launch ramp, a hull upgrade, and modification of the cutter?s bridge, command-and-control upgrades, and improved crew accommodations. The conversions are being carried out by a joint venture of Bollinger Shipyards and VT Halter Marine, which is under subcontract to Northrop Grumman.Illustration courtesy of Northrop Grumman