13 environmental samples taken in the Western Ghouta area tested positive for sarin, although three had "degradation and/or by-products" possibly originating from sarin. On 18 September, the Russian Presidential Chief of Staff Sergei Ivanov commented on the U.N. missions findings. He said "these rockets were supplied to dozens of countries", but that "the Soviet Union never supplied warheads with sarin to anyone". Another type of rockets was used in the Eastern Ghouta attack. Operators Current operators - 48 BM-14/16 - A number destroyed during the Angolan Civil War. - 20 BM-14-16 - 32 - Indonesian Marine Corps (Korps Marinir) operates 36 BM-14/17 launchers. Replaced by RM-70 Grad in 2003. - 50 BM-13, BM-14. - 200 BM-14 - 200 BM-14 purchased in 1967. Still in service - fielded during the Vietnam War from 1967 -30 Former operators - Passed on to successor states in 1991. - retired Similar designs The Type 63 130mm multiple rocket launcher (not to be confused with the towed Type 63 of 107mm) is the Chinese version of the BM-14-17. It has a slightly smaller calibre but is fitted with 19 instead of 17 launch tubes. The Type 63 MRL is based on the Nanjing NJ-230 or 230A 4x4 truck, a licence-produced version of the Soviet GAZ-63/63A. The WP-8z () was a Polish towed rocket launcher that was developed in 1960. The weapon was subsequently produced between 1964 and 1965. It fired the same rockets as the RPU-14 but had only 8 launch tubes. The main operator was the 6th Pomeranian Airborne Division (). with 12-18 WP-8s in its inventory. See also BM-12 multiple rocket launcher Katyusha World War II multiple rocket launchers (BM-13, BM-8, and BM-31) M16 (rocket), U.S. 4.5 inch multiple rocket launcher BM-21 Grad 122 mm multiple rocket launcher BM-27 Uragan 220 mm multiple rocket launcher References External links Use of BM-14 by the Taliban Description of BM-14 Use of BM-14 by Cuban Armed Forces Range and Payload Algerian use of BM-14 as of 1993 Walk-around of Type 63 130mm MRL Bibliography Cold War artillery of the Soviet Union Multiple rocket launchers of the Soviet Union Chemical weapon delivery systems Military equipment introduced in the 1950s