On May 12, 2023, Russian cosmonauts Sergey Prokopyev and Dmitry Petelin performed the extra vehicle activities (EVA – spacewalk) to deploy a radiator on the Nauka Multipurpose Laboratory Module and attach mechanical, electrical and hydraulic connections. The EVA lasted 5 hours and 14 minutes. It was the 6^th EVA for Sergey Prokopyev and the 4^th EVA for Dmitry Petelin. It was the 169^th EVA performed by Soviet/Russian cosmonauts since 1965.