640th Missile Regiment
640-й ракетный полк
Military Unit: 74203, from 1969: 01027
Activated 3.64 at Yurya, Kirov Oblast, from parts of the 143rd Missile Regiment - under the 8th Missile Division.
The regiment controlled site BSP-4 with 2 R-16 (SS-7) pads, which had gone on alert duty 12.2.62.
The regiment stood down in 1968, and the BSP-4 site was transferred to the 715th Missile Regiment.
In 1969 transferred to Teykovo, Ivanovo Oblast, and came under the 54th Guards Missile Division.
The regiment went on alert duty 2.12.72 with 10 UR-100K (SS-11) silos in area BRK-8.
The regiment stood down in 1989, and was disbanded (1990).
US designation 1964-1969: Yurya ICBM complex (Launch site D, later Launch Site 4). Type IIB pads.
US designation 1972-1989: Teykovo ICBM complex (Launch Group H). Type IIID silos.
Yurya Launch Site 4 (BSP-4) (59 16 06N, 49 22 13E):
Teykovo ICBM complex 1972-1989 (Launch Group H):