Name: IRS-1B — launch
Start: 1991-08-29
Location: GIK-5, Baykonur, Kazakstan

Launch code: OS. Source references: NK91-3-3; Kosmodrom6-15.

Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)

1988-03-17 IRS-1 — launch Shares a spacecraft, person or other linked entity
1988-04-20 Kosmos-1939 — launch Shares a spacecraft, person or other linked entity
1985-10-03 Kosmos-1689 — launch Shares a spacecraft, person or other linked entity
1991-01-14 Progress M-6 — launch Same organization: Upravleniye Nachalnika Kosmicheskikh Sredstv
1991-01-17 Kosmos-2121 — launch Same organization: Upravleniye Nachalnika Kosmicheskikh Sredstv
1991-01-18 Kosmos-2122 — launch Same organization: Upravleniye Nachalnika Kosmicheskikh Sredstv