Most heavily armed space station
- Who
- Salyut 3
- What
- First
- Where
- Russian Federation
- When
- 25 June 1974
Of all the space stations launched into Earth orbit to date, only Salyut 3 (launched 25/06/1974, USSR) was armed. For defensive purposes, it was fitted with a 23 mm Nudelmann aircraft cannon.
Although never used in anger, it was test fired once on 24 January 1975, destroying a target satellite.