The Berkut (Russian Беркут, meaning golden eagle) is a space suit model developed to be used for extravehicular activity for the Voskhod 2 mission aboard a Voskhod spacecraft on the first spacewalk. It was developed by NPP Zvezda in 1964-1965. It was a modified SK-1 suit. It was only used by the Voskhod 2 crew.
The suit had two pressurization settings, one at .27 atm and the other at .40 atm (nominal mode). Life support was contained in a back pack, which had a large enough oxygen supply to last for 45 minutes of activity. Movement within the suit was seriously restricted.
- Name: Berkut Spacesuit
- Derived from: SK-1 spacesuit
- Manufacturer: NPP Zvezda
- Missions: Voskhod 2
- Function: Intra-vehicular activity (IVA) and orbital Extra-vehicular activity (EVA)
- Operating Pressure: 400 hPa (5.8 psi)
- Suit Weight: 20 kg (44 lb)
- Backpack Weight: 21 kg (46 lb)
- Total Weight: 41 kg (90 lb)
- Primary Life Support: 45 minutes
- Video of Voskod 2 mission (Russian)
- Photo of Berkut space suit at Memorial Museum of Astronautics in Moscow (38 & 39)
- Photo of outermost layer removed