150630-N-DT805-046 PEARL HARBOR (June 30, 2015) U.S. Sen. Mazie Hirono, from Hawaii, receives a briefing from Lt. Cmdr. Andrew Lovgren, fuel director and actions officer at Navy Supply Fleet Logistics Center, during a tour of Red Hill Bulk Fuel Storage Facility. The Red Hill facility was built between 1940 and 1943. Each of its 20 cylindrical tanks is 250 feet tall and 100 feet in diameter and can hold up to 12.5 million gallons of fuel. (U.S. Navy photo by Chief Mass Communication Specialist John M. Hageman/Released)