Fortunately, the “howitzer Huey” never materialized. It was likely an unworkable concept, given the helicopter’s limitations.
By the time the Vietnam War erupted, the Bell UH-1 Iroquois (Huey) was the primary power projection ... The helicopter’s role further expanded during the Gulf War, in which it was instrumental ...
The Bell UH-1 helicopter, popularly known as the "Huey," was the workhorse aircraft ... as they might have in a more conventionally-fought war, but the B-52 proved instrumental in containing ...