Before any production of the UV - 23 could be undertaken , however , Grizzly Hunter was cancelled .
Before any production of the UV - 23 could be undertaken , however , Grizzly Hunter was replaced by a different requirement which was won by the RC - 7 .
Before any production of the UV - 23 could be undertaken , however , Grizzly Hunter was cancelled and replaced by a different requirement which was won by the RC - 7 .