Historical clue formulations

• Cyrillic way to write "U.S.S.R." — 2026-07-26
• Cyrillic version of "U.S.S.R." — 2026-05-19
• Letters on Ivan Drago's tracksuit in "Rocky IV" — 2025-12-04
• Letters on old kopecks — 2024-10-12
• Letters on old Soviet rockets — 2024-08-20
• Letters on cosmonauts' helmets, once — 2020-01-10
• Letters on a Soviet rocket — 2015-11-30
• Inits. on old rubles — 2015-09-11
• Letters on a Soyuz rocket — 2015-07-28
• Letters on Soyuz rockets — 2015-02-18
• Cold war inits. — 2012-10-09
• Letters on old rubles — 2009-12-06
• Letters on old Russian maps — 2009-03-20
• Marking on an old MIG — 2004-03-11
• Old cosmonauts' insignia — 2003-08-02
• Cosmonauts' insignia, once — 2002-11-09
• Letters on a Soyuz rocket — 2002-06-04
• Onetime cosmonaut's insignia — 2002-02-15
• 3-Down, in 3-Down — 2000-11-13
• Letters on old Soviet rockets — 2000-01-12