PACIFIC OCEAN (Nov. 17, 2011) The decommissioned Spruance-class destroyer ex-Paul F. Foster (EDD 964) conducts a successful demonstration of shipboard alternative fuel use while underway in the Pacific Ocean on a 50-50 blend of an algae-derived, hydro-processed algal oil and petroleum F-76. Paul F. Foster has been reconfigured as the Self-Defense Test Ship to provide the Navy an at-sea, remotely controlled, engineering test and evaluation platform without the risk to personnel or operational assets. (U.S. Navy photo by Charlie Houser)