This sweden company is famous for knives for Sweden Air Force pilots.
F1 3.8" (research started in 1987, adopted in 1995)
VG-10 steel, 59 Rc, thick blade (4.5-6mm), flat grind

S1 - "Forest knife" - 5.1"
A1 - 6.3"
A2 - Same design, blade is stronger tho 420J + VG-10 + 420J - 8"

MC1 - Mine clearance - 9.5"
NL1 - Тор 10"

Official website of fallkniven
here