From its launch in the late 1980s to this day, the TOS-1 remains one of the most lethal weapons within Russia’s arsenal. The multiple rocket launcher can shatter enemy fortifications along a vast area and within a short range while mounted on a T-72 tank chassis or other lightly armored vehicles. This devastating weapon was kept a secret from its initial conception in the 1970s to its deployment many years later. But as recently as late 2020, the TOS-1 was still in service and being upgraded into a much more modern thermobaric weapon…