The OT&E concluded that the gun could perform the mission as originally specified .
The tests also showed that the system had considerable reliability problems , many as the result of trying to adapt a radar system developed for aircraft to the ground role .
The OT&E concluded that the gun could perform the mission as originally specified , but the tests also showed that the system had considerable reliability problems , many as the result of trying to adapt a radar system developed for aircraft to the ground role .