558th Missile Regiment
558-й ракетный полк
Military Unit: 12411
Activated 3.64 in Yoshkar-Ola, Mariyskaya ASSR, under the 14th Missile Division.
The regiment controlled the BSP-22 site with 2 R-16 pads (alert duty from 2.1.64).
In 1968 the BSP-22 sites were transferred to the 675th Missile Regiment.
The regiment went on alert duty 1.2.72 with 10 RT-2 (SS-13) silos in area BRK-5.
The regiment stood down 1979, and converted to the RT-2P missile - alert duty from 4.11.80.
Disbanded 1994.
US designation 1964-1968: Yoshkar-Ola ICBM complex (Launch site F, later launch site 6). Type IID pads.
Yoshkar-Ola Launch Site 6 (BSP-22) (56 36 34N, 48 28 16E):
US designation 1971-1994: Yoshkar-Ola ICBM complex (Launch Group E) [Ten Type IIIE and one Type IIIX silos]: