The Artemis I team has ended today’s attempt at the wet dress rehearsal test at 5 p.m. The countdown ended after partially loading liquid oxygen into the Space Launch System core stage tank. This provided the teams a valuable opportunity for training and to make sure modeled loading procedures were accurate. This was the first time using new systems at NASA’s …
ISS Daily Summary Report – 4/04/2022
Payloads: Airborne Particulate Monitor (APM): The crew checked the APM hardware and reported the display status. Air quality in crewed spacecraft is important for keeping astronauts healthy and comfortable. Although requirements exist for maximum allowable concentrations of particulate matter, currently no measurement capability verifies whether these requirements are met. The APM demonstrates an instrument for …
Station Waits for Private Astronauts during Science and Spacewalk Preps

The seven-member Expedition 67 crew will wait an extra day to greet the first private astronauts who are due to launch this weekend to the International Space Station. In the meantime, the orbital residents focused on human research and physics today while gearing up for a pair of spacewalks later this month. The first private …
NASA’s TRACERS Mission Passes Key Milestone, Advances Toward Launch

NASA's Tandem Reconnection and Cusp Electrodynamics Reconnaissance Satellites mission, or TRACERS mission, has passed a critical mission review on March 31, 2022. The mission now moves into its next phase, advancing towards its target launch readiness date of July 27, 2024. "We're excited to pass this major milestone and get one step closer to launch," …
Artemis I WDR Update: Go to Proceed for Tanking – Countdown Resumes
The countdown for the wet dress rehearsal has resumed at 10:52 a.m. EDT and clocks have picked back up at T-6 hours, 40 minutes on the clock (L-7 hours, 10 minutes). A new planned T-0 of 6:02 p.m. has been established. An earlier issue with an outage with the vendor of gaseous nitrogen required for tanking preparations has been resolved. Overnight, teams …
Mission Management Team ‘Go’ to Proceed with Artemis I Wet Dress Rehearsal
At approximately 7:40 a.m. EDT, the mission management team chair gave the “go” to proceed with tanking the rocket for the Artemis I wet dress rehearsal test. Later in the countdown the Launch Director will give the “go” to begin the tanking process. Meteorologists with Space Launch Delta 45 said there were no weather constraints …
Artemis I Wet Dress Rehearsal Testing Continues
NASA is targeting Monday, April 4, to resume the Artemis I wet dress rehearsal test. The test was stopped Sunday, April 3 prior to tanking due to loss of ability to pressurize the mobile launcher using two fans. The fans are needed to provide positive pressure to the enclosed areas within the mobile launcher and …
Artemis I Wet Dress Rehearsal Scrub
Teams have decided to scrub tanking operations for the wet dress rehearsal due to loss of ability to pressurize the mobile launcher. The fans are needed to provide positive pressure to the enclosed areas within the mobile launcher and keep out hazardous gases. Technicians are unable to safely proceed with loading the propellants into the …
Artemis I WDR Update: Go for Proceed for Tanking
At approximately 6:45 a.m. EDT, the launch director and mission management team chair gave the “go” to begin tanking the rocket. Meteorologists with Space Launch Delta 45 said there were no weather violations for the test. All elements are powered up and teams have moved the side flame deflectors into position and completed final preparations …


