* Remove mid-deck and flight-deck platforms (2 a.m.) * Activate and test navigational systems (7 a.m.) * Complete preparation to load power reactant storage and distribution system (9 a.m.) * Flight ...

NASA will begin the countdown for launch of Space Shuttle Columbia on mission STS-109 Feb. 25 at 10 a.m. EST at the T-43 hour mark. This mission marks the fourth Shuttle servicing mission to the ...

Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 293 Issued at 2200Z on 20 Oct 2023 Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 292 Issued at ...