Sixteen ships were completed in these batches. Flotilla leaders Grenville and Hardy carried names of ships lost earlier in the war, a departure from the practice of naming leaders for historical figures. The Navy also used the batches to reshape the superstructure. The two classes shared a basic design but differed in details of their fit and arrangement.
Chapter · 57:54-59:27
Naming and layout changes in the U and V classes
The U and V flotillas kept 4.7-inch guns and changed both the superstructure and how their leaders were named.