Defender RDV. The RDV features a roll cage, ring mount and munitions stowage which can be fitted to a standard heavy-duty Defender 110 General Service Vehicle making this an immensely flexible and capable weapons platform for a wide range of tactical applications. Designed for airportability, the RDV combines many of the key attributes of the Light Strike Vehicle with the reliability of a proven, Commercially-Off-The-Shelf, military platform. 200 of these vehicles are in use with the Airborne Infantry regiments of the United Kingdom Armed Forces.