181213-N-CU072-1090 SAN DIEGO (Dec. 13, 2018) Electrician’s Mates 3rd Class Jesse Guzman, bottom, and Jamarr Edwards change a rotary beacon aboard the aircraft carrier USS Theodore Roosevelt (CVN 71). Theodore Roosevelt is at homeport in San Diego. (U.S. Navy photo by Mass Communication Specialist 3rd Class Sean Lynch/Released)