war-fighter
n.— «According to Anderson, improving soldiers” digestive health is a primary concern for the U.S. Army because “war-fighters”-a term used to describe members of all the military branches-have long suffered from intestinal issues, particularly diarrhea, while serving overseas.» —“Live cultures called to active duty” by Kate Radway The Windy Citizen (Chicago, Illinois) July 15, 2008. (source: Double-Tongued Dictionary)
Further reading
Martha from Tallahassee, Florida, remembers hearing older relatives announce they were going for their constitutional, a term that traces back to Latin constitutio, meaning “character,” “disposition,” “nature,” or “the essence of a thing.” Its...
If you work in tech support, you might use snarky slang for problems caused by computer users themselves. There’s the acronym PEBCAK, for example, which stands for Problem Exists Between Chair and Keyboard. And: a lush poem about the sea inspired by...
“War-fighter” is generally used to distinguish military members in actual combat/fighting roles from those in support activities not directly involved in prosecuting combat operations.