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
For rock climbers, skiers, and other outdoor enthusiasts, the word send has taken on a whole new meaning. You might cheer on a fellow snowboarder with Send it, bro! — and being sendy is a really great thing. Plus: a nostalgic trip to Willa...