American PT-boat crews did add guns to their boats, as did Soviet and Japanese crews. Those modifications showed a need for more gun armament than the original designs provided. British procurement responded by supplying motor gun boats, including the dog boats. Starting with a gunboat gave crews a platform they could arm further as operational needs changed.
Notable Point · 3:03:27-3:03:57
Crew additions and the British response with purpose-built gunboats
British procurement incorporated the gunboat role into new boats while crews elsewhere adapted torpedo-focused designs.