Name: SpaceX Next - 商用クルー開発（CCDEV (SpaceX Next - Commercial Crew Development (CCDEV))
Uploaded: 2021-01-14T10:27:13.000Z
Duration: 5 min 8 s
Description: VoiceTubeの動画で発音を聞きながら英語表現を覚えよう！学べる英語：

様態の副詞

successful launch orbit and intact reentry have been accomplished by only a few nations to date, the space X mission.

程度の副詞

Today is the first time an entrepreneurial enterprise has joined this very elite company of space faring entities.

We did lift off a 10 43 Eastern standard time.

Uh, nose cone jettison in about three minutes and 37 seconds into the mission.

A swell, uh, nominal separation of the dragon spacecraft.

Uh, and then we had our on orbit operations.

We had connectivity with the Cape Ground Station Wallops Ground Station, Australia Ground Station in Australia.

We also had full teachers coverage, both omni and directional.

Ah, and the directional t dress required pretty specific pointing of dragon in order to maintain that link, and we achieve that, we maintained it, and it really worked flawlessly.

We began the de orbit burn at 22 hours and 32 minutes into the mission we finished that de orbit burn slightly early.

The re entry phase began in two hours and 58 minutes into the mission.

Our drogue chutes deployed nominally three mains deployed nominally as well, by the way, we achieved in eight meter per second descent speed, which is a Zeeland mentioned quite quite comfortable from landing perspective.

We projected we would have our water landing at three minutes in 19.

Three hours in 19 minutes into the mission.

We actually did it in three hours, 19 minutes and 52 seconds, which was awesome.

We would not be here without the help of NASA and that that I cannot emphasize that, you know, numbers that were conducted were very similar to sort of universe that we would conduct in going to the space station birthing with space station.

Look at your very confident Able Thio conduct the proximity operations of birth operational space station with.

If they've been people sitting in the in the dragon capsule today, they would have had a very nice ride.

And, um, that would have experienced, you know, maybe up to 4.5.

You'd see it in amusement park and they would have done quite well.

So it's It's, uh, except for the escape system on and you know, it seats and some minor upgrades to the life support system.

The vehicle that you saw today could it could easily transport people.

Do agree with the need to have a launch escape system on the testing of wanted to escape system is ah, a difficult thing.

The next generation dragon, We're actually going to be aiming for a propulsive landing with gear kind like Eagle landed on the moon.

 We're beyond the if you know, is it possible? 