In the game, apart from Space race and Nuclear weapons research, you can research and develop spy gadgets right out of James Bond's laboratories and some famous equipment of real life spies.
There are 4 categories of agent gadgets research in “Us and Them – Cold War”. Surveillance, Weapons, Assassination and Interrogation.
1. Surveillance gadgets help your agents steal or protect information.
2. Weapons help them defend themselves.
3. Assassination helps them kill enemies.
4. Interrogation makes the excruciation of information during and interrogation easier or helps your agents not to break and reveal information.