Posted: 10/01/2010
NORFOLK (Oct. 22, 2010) Sailors assigned to Riverine Group 1 conduct maneuvers aboard Riverine Command Boat (Experimental) (RCB-X) at Naval Station Norfolk. The RCB-X is powered by an alternative fuel blend of 50 percent algae-based and 50 percent NATO F-76 fuels to support the secretary of the Navy's efforts to reduce total energy consumption on naval ships. (U.S. Navy photo by Mass Communication Specialist 2nd Class Gregory N. Juday)