Navy to conduct final alternative fuel demonstration of the year with Landing Craft Air Cushion (LCAC). WHAT: The U.S. Navy is conducting its final alternative fuel demonstration for the year with a maritime alternative fuel test in a Landing Craft Air Cushion (LCAC) stationed at Naval Surface Warfare Center Panama City Division (NSWC PCD), Panama City, Fla., Dec. 9. WHEN: Media availability will be held Dec. 9, 9 a.m. (CST). WHERE: LCAC ramp at Bldg. 319, Naval Surface Warfare Center Panama City Division.