Staff Writer (Updated: 2/23/2015):
The BM-24 followed the same design form and function as the BM offerings before it. The launcher component was a rather simplistic steel cage consisting of 12 x 240mm rockets, each capable of holding warheads (including chemical) to suite the mission need. The original vehicle of choice was the multi-purpose ZiS-151 6x6 series featuring a single forward axle and two rear axles. The cab held enough room for up to three persons including the driver (a typical crew numbered six). Power was supplied through a 5.6L ZiS-121 6-cylinder engine mated to a 5-speed manual transmission. Production of the truck model began in 1947 and spanned into 1958 out of Automotive Factory No. 2 in Moscow - Zavod Imeni Stalina (hence the "ZiS" designation). In 1956, this factory was handed a new name - "Zavod Imeni Likhacheva" - and, thusly, the designation of the truck appropriately changed to "ZiL-151". ZiL-151 marks were eventually superseded by the ZiL-157 series if 1958.
The BM-24 was used in considerable numbers (in the thousands) by the Soviet Army. The vehicle was adopted by Soviet customers worldwide including Egypt (seeing use in the Six Day War), China, North Korea and Iran as well as others. The BM-24 launch platform was also mated to the AT-S artillery tractor to produce the related "BM-24T" model mark. These featured a track-and-wheel arrangement with a larger, fully-enclosed cab armored. The launcher system was fitted to a traversing mount at the rear of the vehicle.