PACIFIC OCEAN (April 22, 2009) Electronics Technician 3rd Class Alvin Carrillo, from San Diego, performs diagnostic checks on the AN/SPN-41 "Bullseye" radar system aboard the aircraft carrier USS John C. Stennis (CVN 74). The AN/SPN-41 provides a visual display for pilots to help land safely on the flight deck. John C. Stennis is on a scheduled six-month deployment to the western Pacific Ocean. (U.S. Navy photo by Mass Communication Specialist 3rd Class Jon Husman/Released)