The Littoral Combat Ship program is struggling to stay afloat financially. But Congress has another concern. The ships themselves might be easy to sink. Navy Secretary Ray Mabus testified before the House Appropriations Defense Subcommittee on the Navy’s budget request yesterday. Subcommittee member Ander Crenshaw (R-Fla.) asked him to explain how this is possible if the LCS is supposed to be the ship of the future.