by inserting (1) before The naval ; and
by adding at the end the following new paragraph:
In this subsection, the term temporarily unavailable , when used with respect to an amphibious warfare ship, means that the ship has not surpassed its planned availability by a margin of—
greater than 100 percent of the nominal duration of that availability in 2026 or 2027;
greater than 75 percent of the nominal duration of that availability in 2028 or 2029;
greater than 50 percent of the nominal duration of that availability in 2030 or 2031; and
greater than 25 percent of the nominal duration of that availability in 2032 or any year thereafter.