The Pre-Commissioning Unit NEW ORLEANS (LPD 18) transits past the city of New Orleans on the Mississippi River on Oct. 23, 2006. The amphibious transport dock ship is heading to the Gulf of Mexico to conduct builderΘs trials. NEW ORLEANS is being built in Avondale, La., and will be commissioned in March 2007. (U.S. Navy photo by Mass Communication SPECIALIST First Class Dan Ball) (Released)