This is a black 84mm Victorinox Tinker with metal inlaid emblem of the US Army Special Forces.
external links: SAK Wiki
Tag: us army
0170 – Victorinox Huntsman (US Army)
This is a camo 91mm Victorinox Huntsman with metal inlaid emblem of the United States Department of the Army.
external links: SAK Wiki
0164 – Victorinox Classic (USAREUR)
This is a black 58mm Classic with on the front a metal inlaid emblem of US Army Europe (USAREUR).
external links: SAK Wiki
0153 – Victorinox Golfer Rover (US Army Reserve Safety)
This is a green 58mm Victorinox Golfer Rover with logo of the US Coast Guard.
external links: SAK Wiki
0018 – Victorinox Classic SD (US Army)
This is a black 58mm Classic SD with United States Army seal on the front, instead of the Victorinox Shield.
As you can see the scissors have the adjustable screw pivot. Victorinox stopped using those in 1991 (they use rivets since then), so this knife is at least 25 years old!
external links: SAK Wiki