operational damage vs operational casualty

operational damage and operational casualty both are nouns.

Word	Noun	Adjective	Verb	Adverb
operational damage	Yes	No	No	No
operational casualty	Yes	No	No	No

As nouns, operational damage and operational casualty are synonyms defined as:

operational damage and operational casualty: loss of military equipment in field operations

operational damage (noun)	operational casualty (noun)
loss of military equipment in field operations	loss of military equipment in field operations