The FROG-7 is the latest version and entered the Soviet armed forces in 1965. It has a range of 68 km (42 miles) and deploys a single warhead with at least six alternative payloads. The AA-22 and the AA-38 nuclear warheads both provide three yields between 3 and 20 kT, while the AA-52 offers four yields between 5 and 200 kT. It is also capable of carrying HE, submunitions, and chemical warheads (with up to 216 kg of VX nerve gas). The FROG-7 missile is 9.4 m long with a diameter of 0.54 m. Its launch weight varies depending on the payload, ranging from 2,450 kg to 2,485 kg.