All the proven technologies and learning from Trishul later helped DRDO in QRSAM and VL-SRSAM. People who worked on Trishul and Barak 8 termed the basic design flaw as one of the many reasons behind the project failure. Characteristics Trishul has a range between to . DRDO also made an enhanced range variant for the Indian Air Force. It is powered by a Dual-thrust propulsion stage using high-energy solid propellant. Trishul weighs and is capable of carrying a warhead. Trishul is 3 m in length and 20 cm in diameter. The modified naval variant use command to line-of-sight guidance mechanism. The missile can be employed against sea skimmers with a fire control radar. Trishul flies at supersonic speed. It has a low altitude radio altimeter and height lock loop control. See also Maitri (missile) QRSAM VL-SRSAM HISAR (surface to air missile system) Raad (air defense system) Sayyad-4 Mersad Bavar-373 Khordad 15 (air defense system) References External links Technical: DRDO Technology Focus : Warhead for Missiles, Torpedoes and Rockets Surface-to-air missiles of India