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- 19:27, 9 February 2024 diff hist -17 m design to cost →Skylon Ozone damage (NOx) current Tag: Visual edit
- 02:14, 8 December 2022 diff hist +31 UpLift →plus a bit on Mining Asteroids current
- 01:34, 8 December 2022 diff hist +17 UpLift →plus a bit on Mining Asteroids
- 21:17, 5 December 2022 diff hist -3 UpLift →On the cavernous hangar deck of the former aircraft carrier Enterprise Tag: Visual edit: Switched
- 20:44, 5 December 2022 diff hist +1 m UpLift Tag: Visual edit
- 20:38, 5 December 2022 diff hist +9 m UpLift →A story of Space Elevators and Power Satellites Tag: Visual edit
- 20:29, 5 December 2022 diff hist +1 m UpLift →On the cavernous hangar deck of the former aircraft carrier Enterprise Tag: Visual edit
- 18:00, 5 December 2022 diff hist +2 m UpLift →plus a bit on Mining Asteroids Tag: Visual edit
- 06:36, 5 December 2022 diff hist -8 m UpLift →A story of Space Elevators and Power Satellites Tag: Visual edit
- 04:11, 24 November 2022 diff hist -12 m Cheap synthetic fuel a few changes after a long time current Tag: Visual edit
- 02:57, 28 July 2022 diff hist -22 User talk:Hkhenson current