STANDING GUARD A destroyer steams along the starboard side of the Nimitz-class aircraft carrier USS Harry S. Truman March 22, 2007, as an SH-60 Seahawk helicopter assigned to Helicopter Squadron Seven conducts plane guard during flight operations over the Atlantic Ocean. SHARE: Download: Full Size (0.02 MB) Credit: VIRIN: 418382-L-NWW72-128.jpg Photo Gallery