Replace Could 13, 7:18 p.m. EDT (2318 UTC): NASA, SpaceX scrub launch on Wednesday, goal NET Friday.
In a little bit of deja vu, SpaceX and NASA have been as soon as once more on the point of launch a Cargo Dragon loaded with 6,500 kilos of science and provides to the Worldwide Area Station from Cape Canaveral Area Drive Station on Wednesday night, however poor climate bought the very best of them but once more.
In contrast to Tuesday’s launch try, which scrubbed properly prematurely of fueling the Falcon 9 rocket, on Wednesday, groups progressed via the countdown till the ultimate minute when it was decided {that a} launch would violate the cumulus cloud rule.
Liftoff of the CRS-34 mission, atop a Falcon 9 rocket from Area Launch Complicated 40 (SLC-40), is now scheduled for Friday, Could 15, at 6:05 p.m. EDT (2205 UTC), with the rocket flying on a northeasterly trajectory to focus on a rendezvous with the orbiting area station. SpaceX’s thirty fourth mission for NASA as a part of its Business Resupply Companies (CRS) contracts.
The forty fifth Climate Squadron forecast a 35 p.c probability for acceptable climate on Tuesday night, due to a sluggish transferring entrance transferring throughout the State of Florida. Throughout a media briefing on Monday, Launch Climate Officer Brian Cizek mentioned that the forecast has been trending worse these previous few days.
“The massive distinction within the forecast that we’ve seen immediately in comparison with the previous few days is the fashions are actually slowing down the development of that entrance transferring from north to south,” Cizek mentioned. “So that may assist pool extra moisture over East Central Florida for tomorrow, which is able to result in increased bathe and storm protection tomorrow afternoon into the night hours.”
He mentioned because the week goes on, there’s a “slight drying pattern,” which presents a greater outlook on Wednesday and higher nonetheless on Thursday. The launch window for Wednesday confirmed a 60 p.c probability for favorable climate heading into the window, which dipped all the way down to 10 p.c at one level.
SpaceX will launch the CRS-34 mission utilizing the Falcon 9 first stage booster B1096. This will likely be its sixth flight following the launches of NASA’s IMAP, GPS III-9, NROL-77, Kuiper Falcon 01, and Starlink Group 6-87.
Lower than eight minutes after liftoff, B1096 will return for a landing at Touchdown Zone 40 (LZ-40) adjoining to the launch pad at SLC-40. This would be the fourth booster restoration at this website and the 74th touchdown throughout the three pads SpaceX has used since 2015.
This may also be the sixth flight for the Cargo Dragon spacecraft, serial quantity C209. It launched the CRS-22, -24, -27, -30, and -32 missions. That is the primary time {that a} Cargo Dragon spacecraft will launch for a sixth time, however the second for the Dragon-2 program total. The Crew Dragon Endeavour has already flown for a sixth time.
“We accomplished related life extension qualification for the crew autos, reviewing all {hardware} elements throughout the car, and making certain we had no less than six-flight qualification rationale for the crew capsule,” mentioned Lee Echerd, SpaceX’s senior mission supervisor for its Authorities and Business Mission Administration division.
“After which for the cargo qualification for this flight, it was primarily a delta certification with trying on the {hardware} gadgets which can be distinctive to the cargo configuration and finishing an identical no less than 6x qualification for for this mission.”
Cargo Dragon will separate from the Falcon 9 second stage about 9.5 minutes into the mission, kicking off an almost 50-hour interval throughout which the spacecraft performs meet up with the ISS. It’s set to dock with the orbiting outpost at about 7:35 a.m. EDT (1135 UTC) on Thursday, Could 14).
M+40: So what’s it wish to load an area cargo car? It’s not too totally different from what you’d do to pack for a transfer or ship a variety of cargo. It jogs my memory of constructing pallets earlier than deployments.
First, we work off a synchronized guidelines that our superb @NASA stock… pic.twitter.com/WQ40LaR3As
— Jonny Kim (@JonnyKimUSA) May 22, 2025
Busy yr in LEO
The arrival of the latest cargo spacecraft comes about two weeks earlier than the following scheduled spacewalk on the Russian phase of the ISS.
Over the summer season, there are spacewalks on the U.S. aspect scheduled in June and August. Between these, on July 14, the Soyuz MS-29 mission is scheduled to launch from the Baikonur Cosmodrome, carrying Cosmonaut and Commander Pyotr Dubrov, alongside fellow cosmonaut Anna Kikina and NASA astronaut Anil Menon.
Lower than two weeks after the arrival of MS-29, MS-28 will depart. Earlier than that occurs, NASA astronaut Jessica Meir will change into the commander of the area station.
The following crewed Dragon mission will launch in September with the Crew-13 quartet, led by NASA astronaut Jessica Watkins. She turns into the primary energetic NASA astronaut to fly for a second time on a Dragon spacecraft.
The final quarter of the yr will embrace one other Cargo Dragon mission and the following Northrop Grumman Cygnus spacecraft.
A lingering query although is whether or not Boeing’s troubled Starliner spacecraft will make a cargo run to the ISS. NASA beforehand mentioned it hoped to fly the spaceship in 2026, with out a crew to verify the quite a few issues encountered throughout its 2024 flight have been resolved.
“Clearly, there’s a course of that we undergo. We proceed to take care of as near launch readiness as potential on Starliner-1 for all of our different elements that play into it,” mentioned Invoice Spetch, operations and integration supervisor for NASA’s ISS Program, in response to a query from Spaceflight Now on Monday.
“We’re persevering with on to research the problems that that we noticed, and so we’re working very shut with our Boeing colleagues on that, and we’ll find yourself flying it when it’s prepared. A few of that may decide precisely how a lot discover we now have in entrance of the launch. As you understand, our our schedule is fairly busy, however we’re attempting to take care of home windows the place we will go, the place we will go fly that.”
