684th Missile Regiment

684-й ракетный полк

Military Unit: 57341

Activated 3.64 in Bershet, Perm Oblast, under the 52nd Missile Division.

The regiment controlled site BSP-21 with 2 R-16 pads.

In 1969 the BSP-21 site was transferred to the 811th Missile Regiment.

The regiment began conversion to the UR-100 (SS-11) missile in 1969, and went on alert duty 17.12.69 in area BRK-6 with 10 silos.

The regiment stood down in 1976, and began conversion to the UR-100K missile - alert duty from 1976.

Disbanded 31.3.91.

US designation 1964-1969: Perm ICBM complex (Launch site E, later launch site 5). Type IID pads.

US designation 1969-1991: Perm ICBM complex (Launch Group L). Type IIID silos.

Perm Launch Site 5 (BSP-21) 1964-1969 (57 41 49N, 55 47 26E):

Perm ICBM complex 1969-1991 (Launch Group L):