Pacific Sunset The guided missile destroyer USS Lassen patrols the eastern Pacific Ocean, March 10, 2016. The Lassen is currently underway supporting Operation Martillo, a joint operation with the U.S. Coast Guard and partner nations within the U.S. 4th Fleet area of responsibility. Navy photo by Petty Officer 2nd Class Huey D. Younger Jr. SHARE IMAGE: Download Image: Full Size (0.49 MB) Photo By: Petty Officer 2nd Class Huey D. Younger Jr. VIRIN: 160310-N-MD297-161E.JPG Photo Gallery