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Here are details about a : Space commemorative cover or Space Cover.
Cosmodrom : USA
Date of Cancellation: Sept. 27, 2021
Printed: 300 units Kind of Event : Launch Launch pad : USA Vandenberg (CA)
habitÚ?/manned?: robot Mission type : Meteorology
ou?/where?: au sol - ground
autographe?: non - none
Description : Landsat 9 is a partnership between the National Aeronautics and Space Administration (NASA) and the U.S. Geological Survey (USGS) and will continue the Landsat programé
Critical role of repeat global observations for monitoring, understanding, and managing Earth natural resources.
NASA is responsible for the space segment (instruments and spacecraft/observatory), mission integration, launch, and on-orbit checkout. NASA-managed satellite builds have a mission lifecycle (see the image below) that is divided into incremental phases. Phase A is concept and technology development; Phase B is preliminary design and technology completion; Phase C is final design and fabrication; Phase D is system assembly, integration/testing, and launch readiness; Phase E starts after on-orbit operational checkout and ends at the missioné─˘s operational end.