1:72 Lockheed U-2
Timeline for Special Hobby (SH72024) TR-1A
Full history
Airmodel
RarePlane
Airfix
MPC
Airfix/Gunze
Academy/Minicraft
Seminar
High Planes Models
Squadron
Special Hobby
HobbyBoss
Missing info

Kits are shown on the timeline when year and origin are filled in.