Keywords: US Navy 101022-N-6889J-392 Rear Adm. Michael P. Tillotson, commander of Navy Expeditionary Command, thanks Sailors assigned to Riverine Group 1 for.jpg en NORFOLK Oct 22 2010 Rear Adm Michael P Tillotson commander of Navy Expeditionary Command thanks Sailors assigned to Riverine Group 1 for the ride on 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/Released 2010-10-22 101022-N-6889J-392 Navy http //www navy mil/view_image asp id 93119 U S Navy photo by Mass Communication Specialist 2nd Class Gregory N Juday PD-USGov-Military-Navy Naval Station Norfolk Michael Tillotson Riverine command boat |