personnel casualty vs casualty

personnel casualty and casualty both are nouns.

Word	Noun	Adjective	Verb	Adverb
personnel casualty	Yes	No	No	No
casualty	Yes	No	No	No

As nouns, casualty is a hypernym of personnel casualty; that is, casualty is a word with a broader meaning than personnel casualty:

personnel casualty (noun)	casualty (noun)
military personnel lost by death or capture	a decrease of military personnel or equipment
	an accident that causes someone to die
	someone injured or killed in an accident
	someone injured or killed or captured or missing in a military engagement