Sideways launch? Check. “Anchors Aweigh” in the background? Check. Big splash? Double check. [youtube]http://www.youtube.com/watch?v=SgjzbhJXANs[/youtube] The future littoral combat ship Milwaukee, what will be the Navy’s fifth LCS and the third Freedom-class variant, hit the water Wednesday in a ceremony at the Marinette Marine shipyard in Marinette, Wis. Sylvia Panetta, wife of former Defense Secretary Leon Panetta, performed the christening honors prior to launch. The LCS will be the fifth Navy ship named for the largest city in Wisconsin, according to a Navy news release issued before the ceremony. The most recent, an oiler, was decommissioned in 1994; its crew was…