Norman Friedman's point about replenishment at sea prompts a distinction in terminology. Alex Clarke uses reconfiguration for removing unused missiles and replacing them with a different selection. That changes the load already aboard and the missions it supports, even before the original weapons have been fired.
Notable Point · 30:31-30:52
Changing unused VLS missiles reconfigures a ship's role
Exchanging unused missiles for different types would change a ship's mission load at sea.