President Donald Trump is facing challenges on Capitol Hill and in the courts over his emergency declaration, which would let him transfer funds from other construction accounts to pay for his long-desired wall along the border between the U.S. and Mexico.

The U.S. Navy’s four public shipyards have accumulated nearly $5 billion worth of deferred maintenance and restoration projects that could take as long as 19 years to rectify, according to a recently published U.S. Government Accountability Office report.