161108-N-TV230-044 SAN DIEGO (Nov. 8, 2016) – Petty Officer 2nd Class Mary Ashcroft uses a sound powered telephone during a general quarters exercise aboard the aircraft carrier USS Theodore Roosevelt (CVN 71). Theodore Roosevelt is currently moored and homeported in San Diego undergoing a scheduled Planned Maintenance Availability. (U.S. Navy photo by Seaman Bill M. Sanders/Released)