I think she had a few sisters, a couple of them are neighbous of mine.
I can't imagine how frustrating it must be for the mission teams when they get delays like this.
Particularly when the problems are with the taxi service.
It is squeaky bum time at NASA after the launch date for the agency's Perseverance Mars rover was pushed back yet again, raising the spectre of a multi-year delay. Due to launch on an Atlas V from Cape Canaveral Air Force Station's Space Launch Complex-41, lift-off had been scheduled for 13:15 UTC on 20 July. It then slipped …
At this point, regardless of Elon's dreams. SpaceX doesn't have any proven launch vehicle to fly Perseverance to Mars.
Of course this could change if they miss the launch window and delay until 2022.
Note that the launch window is a date with very little wiggle room. As Mars moves away from Earth the Atlas will no longer be able to get Perseverance there.
The Falcon Heavy can get enough mass on a Mars trajectory*, but back when they were planning the Mars 2020 mission the FH hadn't flown. Swapping launch vehicles halfway through the planning phase isn't something NASA do very often.
Also, I suspect they were always going to stick with the same rocket they used for Curiosity. That said, I'd be pretty sure that any Mars missions in planning right now, will be looking at the FH as an option.
* SpaceX claim about 16,800kg for a full expendable launch, and the rover+landing system+cruise stage is less than 4,000kg
But note they still have till Aug 15th to get everything sorted. NASA and ULA could still make it happen. Telatively tight. Not impossible.
Aug 15th is also when SX would have to send something to Mars. They are unlikely to make it happen.
But 2022 should be a different story.
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