C4ISR
n.— «C4ISR stands for command, control, communications, computers, intelligence, surveillance and reconnaissance systems needed for effective battle.» —“Information Laboratory Would Link C4 Efforts US defense officials want to invest more than $1 bil to establish C4ISR Decision Support Center” Defense News Dec. 18, 1995. (source: Double-Tongued Dictionary)
Further reading
Is there such a thing as a “neutral” accent, and if so what does it sound like? And that quirk in the way southern Californians talk about freeways. They’ll say things like take the 405 and get on the 8. Why the definite article...
Floordrobe is the new word for an old habit: piling your clothes on the floor instead of putting them away. The Oxford English Dictionary recently added an entry for it, defining floordrobe as “an untidy heap of discarded clothing left on the floor...