The following is the May 17, 2019 Congressional Research Service report, Navy LPD-17 Flight II Amphibious Ship Program: Background and Issues for Congress.
From the report
The Navy wants to procure a total of 13 LPD-17 Flight II amphibious ships. LPD-17 Flight II ships cost roughly $1.8 billion each to procure. The first LPD-17 Flight II ship, LPD-30, was procured in FY2018. As part of its action on the Navy’s proposed FY2019 budget, Congress provided $350 million in unrequested advance...
https://news.usni.org/2019/05/27/report-to-congress-on-navy-lpd-17-flight-ii-amphibious-ship-program