Fury ages very slowly, provided by the Glossary:I#Infinity Formula, Infinity Formula, retaining the appearance and vitality of a man less than half his age.

Nick Fury has trained as a paratrooper, Ranger, demolitions expert and vehicle specialist. He holds an unlimited-tonnage, all-seas license as a commander of ocean-going vessels. Fury has completed Green and Black Beret Special Forces training, and has been an agent of the O.S.S. (Office of Special Services) and a liaison of the MI-5 (British Secret Intelligence). He is a seasoned unarmed- and armed-combat expert, was a heavyweight boxer in the Army, and holds a black belt in Tae Kwan Do and a brown belt in Jiu Jitsu. Fury has honed his fighting skills sparring with Captain America, perhaps the world's finest unarmed-combat expert. In his youth, Fury learned to fly planes and wing walking.