This report discusses the Deepwater program, which is a 20- to 25-year acquisition effort to replace or modernize 93 aging Coast Guard ships and 207 aging Coast Guard aircraft. The program’s estimated total acquisition cost is $19 billion to $24 billion. On March 25, 2005 the Coast Guard submitted to Congress a revised implementation plan for the program that alters the planned capabilities and numbers of Deepwater assets and the schedule for acquiring or modernizing them. Some Members of Congress have criticized the revised implementation plan. The Coast Guard’s proposed FY2006 budget requests $966 million for the program