Privatizing Warship Funding

South Korea may have the right idea:

South Korea is seeking to create a private fund in order to pool money for building a total of 117 warships at the earliest possible time, the country's defense procurement agency said Wednesday, according to Yonhap News Agency...
"To replace the aging fleet, we need to invest intensively in the short term, so it is necessary to create a private fund for that end," (the defense agency)-said.

This may be the way to go for America's own sliding warship numbers, now way below 300 ships