Navy launches Green Fleet partly powered by biofuel
Secretary of the Navy Ray Mabus and Agriculture Secretary Tom Vilsack took part in the opening ceremony Wednesday for the Great Green Fleet, a year-long initiat...
Secretary of the Navy Ray Mabus, center right, and Secretary of Agriculture Tom Vilsack, center left, tour the guided-missile destroyer USS William P. Lawrence (DDG 110).
(U.S. Navy photo by Mass Communication Specialist 2nd Class Armando Gonzales)