Mission Milestone

Name: Launch Falcon Heavy / Nancy Grace Roman Space Telescope
Start: 2026-08-30T00:00:00-04:00
End: 2026-08-30T23:59:59-04:00
Location: SLC-39A, ~29°N, Kennedy Space Center FL, USA

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0 events 3 0 events, 3	1 event 4 1 event, 4 2026-08-04 NASA Astronaut Chris Williams Post-ISS Mission Debrief NASA Astronaut Chris Williams Post-ISS Mission Debrief Aug 4 NASA Astronaut Chris Williams Post-ISS Mission Debrief 2:45 pm EDT from Johnson Space Center, NASA astronaut Chris Williams will recap his recent eight-month mission aboard the International Space Station. Williams returned to Earth on July 26, after logging 241 days as an Expedition 73/74 flight engineer during his first spaceflight. He returned along with Roscosmos cosmonauts Sergey Kud-Sverchkov and […]	0 events 5 0 events, 5	1 event 6 1 event, 6 2026-08-06 Featured U.S. ISS Spacewalk 96 Featured U.S. ISS Spacewalk 96 Featured Aug 6 U.S. ISS Spacewalk 96 NASA astronauts Jessica Meir and Anil Menon will exit the Quest airlock to install hardware that will modify the station’s 3B power channel and prepare it for the future installation of an International Space Station Roll-Out Solar Array (IROSA). The solar array, scheduled for delivery later this year, will be […]	0 events 7 0 events, 7	0 events 8 0 events, 8	0 events 9 0 events, 9
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0 events 17 0 events, 17	1 event 18 1 event, 18 2026-08-18 Featured U.S. ISS Spacewalk 97 Featured U.S. ISS Spacewalk 97 Featured Aug 18 U.S. ISS Spacewalk 97 During U.S. spacewalk 97, two astronauts will replace a Space-to-Ground antenna on the orbital complex. The antenna is a critical communication system NASA uses to transmit data and high‑speed communication between the Mission Control Center in Houston and the space station. This will be the 282nd spacewalk conducted in support […]	0 events 19 0 events, 19	0 events 20 0 events, 20	0 events 21 0 events, 21	0 events 22 0 events, 22	0 events 23 0 events, 23
1 event 24 1 event, 24 Featured 8:00 am Launch Long March 5 / Chang’e-7 Featured Aug 24 @ 8:00 am UTC+8 Launch Long March 5 / Chang’e-7 Launch estimated 08:00 local time (with launch window remaining open through August 31) -- CNSA to launch Chang'e-7 mission which is planned to land near the illuminated southeast ridge of Shackleton crater at 88°48′S 123°24′E to survey environment and resources with a Relay Satellite, Orbiter, Lander (Rashid-2 from UAE), Rover, […]	1 event 25 1 event, 25 2026-08-25 Featured U.S. ISS Spacewalk 98 Featured U.S. ISS Spacewalk 98 Featured Aug 25 U.S. ISS Spacewalk 98 The U.S. spacewalk 98 crew members will connect power channel cables and data relay systems as part of ongoing maintenance, including preparations for the space station’s future deorbit. The astronauts also will replace a navigational aid used for spacecraft docking on the Harmony module’s forward port. NASA will share additional […]	0 events 26 0 events, 26	0 events 27 0 events, 27	0 events 28 0 events, 28	0 events 29 0 events, 29	1 event 30 1 event, 30 2026-08-30 Featured Launch Falcon Heavy / Nancy Grace Roman Space Telescope Featured Launch Falcon Heavy / Nancy Grace Roman Space Telescope Featured Aug 30 Launch Falcon Heavy / Nancy Grace Roman Space Telescope Launch set for 0:26 EDT \| Roman spacecraft is 12.7 meters long and 4.4 meters wide when fully deployed. Its primary mirror is 2.4 meters in diameter, which is the same size as the Hubble Space Telescope's primary mirror. It will have sensitivity and resolution comparable to Hubble, but a […]
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