rocket firing vs rocket launching

rocket firing and rocket launching both are nouns.

Word	Noun	Adjective	Verb	Adverb
rocket firing	Yes	No	No	No
rocket launching	Yes	No	No	No

As nouns, rocket firing and rocket launching are synonyms defined as:

rocket firing and rocket launching: the launching of a rocket or missile under its own power

rocket firing (noun)	rocket launching (noun)
the launching of a rocket or missile under its own power	the launching of a rocket or missile under its own power