NASA will fire up its SLS moon megarocket in final 'green run' test this month

[Admin]

NASA says it's ready to proceed with the next stage of testing the megarocket that will send the uncrewed Artemis 1 mission to the moon in November.

NASA will fire up its SLS moon megarocket in final 'green run' test this month : Read more

 

[Helio]

There are some terms in the article I would enjoy understanding better though I think I can guess their general use.

What is the proper definition for the following:
1) "Green run"
2) "wet dress rehersal"
3) "hot fire"

Any others worth knowing?