The USNS Navajo makes its way toward the Golden Gate Bridge with Alcatraz Island in the background Saturday, May 3, 2014, in this view near Sausalito, Calif. The ship is a United States Navy ... more 
The USNS Navajo makes its way toward the Golden Gate Bridge with Alcatraz Island in the background Saturday, May 3, 2014, in this view near Sausalito, Calif. The ship is a United States Navy Powhatan-class fleet ocean tug in service since 1980. (AP Photo/Eric Risberg) less 
1 / 1
Associated Press | Photo By Eric Risberg
Sat, May 3, 2014 4:03 PM EDT