The later ships were primarily employed as fleet escorts, but not exclusively so.
(Gerrald remained in prison and was sent out on a later ship).
The remaining vessels in the series were expected to have their armaments brought into line with later ships.
The second and later ships are often started before the first one is completed, launched and tested.
The later four ships were armed differently, and are sometimes considered as a separate class, the Warrior class.
The new information also made it possible to check the muster rolls, log books, pay records and captain's letters of his later ships.
The 24 later ships in the series were Gleaves class destroyers built during the war.
The first group can be distinguished from later ships by their lack of ventilators atop the stacks.
However, very little construction progress was made on these later ships.
As a result, the later three ships were slightly larger.