reconnaissance vs reconnaissance mission

reconnaissance and reconnaissance mission both are nouns.

Word	Noun	Adjective	Verb	Adverb
reconnaissance	Yes	No	No	No
reconnaissance mission	Yes	No	No	No

As nouns, reconnaissance and reconnaissance mission are synonyms defined as:

reconnaissance and reconnaissance mission: the act of reconnoitring (especially to gain information about an enemy or potential enemy)

reconnaissance (noun)	reconnaissance mission (noun)
the act of reconnoitring (especially to gain information about an enemy or potential enemy)	the act of reconnoitring (especially to gain information about an enemy or potential enemy)