The following is the April 29, 2021 Government Accountability Office report, Littoral Combat Ship: Unplanned Work on Maintenance Contracts Creates Schedule Risk as Ships Begin Operations.
From the report
What GAO Found
The Littoral Combat Ship (LCS) is a class of small surface ships with two unique design variants. Both LCS variants carry smaller crews and rely more on contractors for maintenance than any other Navy ship. While this strategy was intended to reduce operating costs, it contributes...
https://news.usni.org/2021/04/30/gao-report-on-littoral-combat-ship-maintenance