Clue: Outdated geopolitical inits.

Answer: SSR

Length: 3

---

Similar Clues:

• Outdated geopolitical letters (SSR with 3 letters)
• Admiral's inits. (USN with 3 letters)
• Inits. for Johnny Reb (CSA with 3 letters)
• Naval inits. (e.g. HMS with 3 letters)
• Big inits. for hunters (NRA with 3 letters)
• "Star Wars" inits. (SDI with 3 letters)
• Bygone political inits. (UAR with 3 letters)
• Inits. on most Rolling Stones records (BMI with 3 letters)
• Toy store inits. (FAO with 3 letters)
• Big inits. in Houston (NASA with 4 letters)