Some guys managed to take these shots in a secret department laboratory of the Moscow Aviation Institute. Touch the history of the Russian astronautics and missilery! APDA – Androgynous peripheral docking assembly. A docking mechanism used at the International Space Station. Pin of the docking mechanism “Igla” First docking of two manual crafts: Soyuz-4 and Soyuz-5Â
![Secret Department of the Moscow Aviation Institute - English Russia](https://cdn-ak-scissors.b.st-hatena.com/image/square/e2fcd465dc294d4d54d6b127e329c62ee3b88c08/height=288;version=1;width=512/https%3A%2F%2Fenglishrussia.com%2Fwp-content%2Fuploads%2F2010%2F09%2Fmai-09.jpg)