Tabber #7 MESSENGER

Countdown to Currently Scheduled Launches for the Student Spaceflight Experiments Program
SSEP Mission 17 to ISS Orbiter Payload Elapsed Time Since Return to Earth 12/22/23 on SpaceX CRS-29 My count-up
SSEP Mission 18 to ISS Surveyor Payload Elapsed Time Since Return to Earth 12/17/24 on SpaceX CRS-31 My count-up
SSEP Mission 19 to ISS Endeavour Payload Countdown to Estimated Launch of Dream Chaser Demo-1 My countdown
SSEP Mission 20 to ISS Atlantis Payload Countdown to Estimated Launch of SpaceX Vehicle (TBD) My countdown

Completed SSEP MissionsM - Mission, L - Launch Date, R - Return to Earth Date

M17: L - 11/9/23 SpaceX-29; R - 12/22/23 SpaceX-29
M16/14D: L-11/26/22 SpaceX-26, R-1/11/23 SpaceX-26
M15B/14C: L-8/29/21 SpaceX-23, R-9/30/21 SpaceX-23
M15A/14B: L- 6/3/21 SpaceX-22, R - 7/9/21 SpaceX-22
M14A: L - 12/06/20 SpaceX-21, R -01/13/21 SpaceX-21
M13: L - 07/25/19 SpaceX-18, R - 08/27/19 SpaceX-18
M12: L - 06/29/18 SpaceX-15, R - 08/03/18 SpaceX-15
M11: L - 08/14/17 SpaceX-12, R - 09/17/17 SpaceX-12
M10: L - 06/03/17 SpaceX-11, R - 07/02/17 SpaceX-11
M9: L - 02/19/17 SpaceX-10, R - 03/19/17 SpaceX-10
M8: L - 07/18/16 SpaceX-9, R - 08/26/16 SpaceX-9
M7: L - 04/08/16 SpaceX-8, R - 05/11/16 SpaceX-8
M6: L - 01/10/15 SpaceX-5, R - 02/10/15 SpaceX-5
M5: L - 07/13/14 Orb-2, R - 10/25/14 SpaceX-4
M4: L - 01/09/14 Orb -1, R - 03/10/14 Soyuz 36S
M3b: L - 01/09/14 Orb-1, R - 03/10/14 Soyuz 36S
M3a: L - 09/18/13 Orb-D1, R - 11/10/13 Soyuz 35S
M2: L - 10/07/12 SpaceX-1, R - 11/19/12 Soyuz 31S
M1: L - 05/22/12 SpaceX-D1, R - 07/01/12 Soyuz 29S
STS-135 (Atlantis): L - 07/08/11, R - 07/21/11
STS-134 (Endeavour): L - 05/16/11, R - 06/01/11

NCESSE News

New Flight Opportunity for School Districts: Announcing Student Spaceflight Experiments Program (SSEP) Mission 19 to the International Space Station, Starting September 2024Posted by Jeff Goldstein on February 29, 2024
New STEM Opportunity – Permanently Install a Voyage Scale Model of the Solar System in Your Community as a Focal Point for STEM EducationPosted by Jeff Goldstein on January 14, 2021
WATCH LIVE: Flight of SSEP Mission 14 ‘Apollo’, Launching on SpaceX CRS-21, Saturday, December 5, 2020, 11:39 am ETPosted by Jeff Goldstein on December 4, 2020
WATCH HISTORY LIVE TODAY – Launch of Astronauts on SpaceX Demo-2 Mission 3:22 pm ET, May 30, 2020Posted by Jeff Goldstein on May 30, 2020
SSEP Teachable Moment – WATCH LIVE – Video of Earth from the International Space Station, with MusicPosted by Jeff Goldstein on May 10, 2020

Tabber #7 MESSENGER

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