[1] The DSRV first entered service with the Soviet Navy but became part of the Russian Navy after the dissolution of the Soviet Union.

Before June 1995 AS-26 was first assigned to the Soviet and then to Russia's Northern Fleet.

From then on the DSRV was assigned to Russia's Baltic Fleet.

The two have participated in submarine rescue exercises in the Baltic Sea.

[2][3] On 22 September 2022, the AS-26 and its mother ship SS-750 were observed by the Royal Danish Navy patrol boat HDMS Nymfen above the route of the Nord Stream 2 gas pipeline four days before the pipeline was sabotaged.