| |
|
Design companies established in 1931
|
121635 |
| |
|
Technology companies of the United States
|
121633 |
| |
|
Boston Strangler
|
121621 |
| |
|
Tailless aircraft
|
121534 |
| |
|
Reconnaissance satellites of the United States
|
121648 |
| |
|
Dakar-class submarine (héberül: הצוללות מסדרת דקר)
|
121656 |
| |
|
Operation Karton (English: Operation Cardboard, Siege of Cangamba)
|
121706 |
| |
|
1971 in spaceflight
|
121647 |
| |
|
1987 október 28., Ramon Quesada kapitány és Manuel Rojas Garcia ezredes MiG-21UM shotdown
|
121711 |
| |
|
Classified information in the United States
|
121642 |
