Ranked by inflation-adjusted total program cost in 2025 USD. Apollo leads at ~$280B, Space Shuttle is second, ISS third. Here's the full top 10 — and what's program vs. mission cost.
Every Moon soft-landing attempt from Luna 2 and Luna 9 to Chandrayaan-3, SLIM, Odysseus, Blue Ghost, and Chang'e 6 — the successes, the crashes, and the countries
