The phrase "war activity" is correct and usable in written English.
You can use it when referring to any kind of military operations occurring during wartime. For example, "During times of war, many soldiers are committed to dangerous war activities in order to protect their country."
As time went on he began to believe his own inflated accounts of his war activity.
SAIGON, South Vietnam, Aug. 31 (Reuters)—War activity in South Vietnam fell off today after a surge yesterday coin ciding with the voting for 30 senators.
At the locus in quo — especially during the short January days and in the full tide of war activity — barges were being constantly "drilled" in and out.
But it is difficult to get an overall sense of comparative spending because much of this "ground war" activity is conducted by churches and charitable groups that do not disclose financing.
By Victor De Pauw and Russell Maloney The New Yorker, March 25 , 1944P. 21 The most specialized war activity we've yet heard of is that of a high-born lady who spends several evenings a week in one of the nearby military hospitals.
Originally when raids were first datamined, the assumption was that it was some sort of new team war activity where groups would band together and officially raid a rival gym.
Tells about a dentist's wife and her war activities.
137Cs was dispersed globally by cold war activities and, more recently, by the Chernobyl accident.
The New Yorker, May 8 , 1943 P. 19Tells about a dentist's wife and her war activities.
He thinks that his war activities may have distracted him and caused the lapse.
By Decla Dunning The New Yorker, May 8 , 1943 P. 19Tells about a dentist's wife and her war activities.
