Missile Systems designed and developed by DRDL have been inducted and operationalized. These include, Underwater Launched Missiles, and AKASH Family of Surface to Air Missile Systems, the Long Range Supersonic Cruise Missile BRAHMOS developed through the Indo-Russian Joint Venture, and the Medium Range Surface to Air Missile System MRSAM-IN developed through the Indo-Israel Collaboration Project. Many other systems such as the NAG family of Anti-Tank Guided Missiles, ASTRA family of Air-to-Air Missiles and the Quick Reaction Surface to Air Missile (QRSAM) are in the advanced stage of induction.