SAN DIEGO (FOX 5/KUSI) -- A christening ceremony is taking place in San Diego Saturday for the future USNS Lucy Stone. This marks the fifth ship in the fleet oiler program for the U.S. Navy, according to officials with General Dynamics NASSCO. What is the fleet oiler program? Fleet oilers serve as "a supply lifeline" for U.S. Navy vessels carrying out missions in the WesternPacific, Indian Ocean and beyond. As explained by NASSCO, they are crafted for underway replenishment. The oilers transfer fuel, lubricants, fresh water and small amounts of dry cargo as part of the Navy's combat logistics force. "NASSCO is designing the new vessels with double hulls to protect against oil spills andstrengthened cargo and ballast tanks," officials stated in a press release detailing the ships. "The vessels will measure 742-feet long with full load displacement of 49,850 tons." Memorial service held for fallen San Diego police officer Who is the ship named after? According to the U.S. Defense Department, the ship is named for American suffragist Lucy Stone. Officials say she joined other notable advocates such as Elizabeth Cady Stanton, Susan B. Anthony, Ernestine Rose and Antoinette Brown Blackwell to petition for suffrage and abolition in the 19th century. The DOD says her efforts as a founder of the Women's National Loyal League "were essential to the passage of the Thirteenth Amendment abolishing slavery." "Lucy Stone's legacy of leadership and advocacy for equality reflects the values we uphold in the U.S Navy," said Carlos Del Toro, Secretary of the Navy. "USNS Lucy Stone stands as a testament to our commitment to operational excellence and is a proud moment as we continue to build and strengthen our maritime capabilities." Man struck, killed by COASTER train in San Diego Ceremony speakers The ceremony, which is not open to the public, is being held at 2798 East Harbor Drive -- near the intersection at 8th Street -- at 11 a.m. It can be watched here. According to the U.S. Defense Department, remarks will be provided by the following people: the Honorable Carlos Del Toro, Secretary of the Navy, will deliver the ceremonial principal address; the Honorable Meredith Berger, Assistant Secretary of the Navy for Energy, Installations and Environment; Vice Adm. Jeffery T. Jablon, Deputy Chief of Naval Operations for Installations and Logistics; and David J. Carver, President, General Dynamics NASSCO.  At the end of the ceremony, Alicia Aadnesen and Debbie Simmons, who the DOD explained are Navy ship introduction specialists, will christen the ship with the traditional breaking of a bottle of champagne on the ship's bow.