On October 28, 2020, the RuMoD in a press release announced that the second P-22350M frigate of the Northern Fleet "Admiral of the Fleet Kasatonov" fired a newly developed anti-submarine missile at the training grounds of the fleet in the Barents Sea.
"The shooting was carried out as part of the qualification serial tests of the product and was recognized as successful. One of the nuclear submarines of the Northern Fleet was involved in its support, which monitored the torpedo that had separated from the rocket in the underwater environment. Also, the frigate's rocket fire was provided by the crews of the Il-38 anti-submarine aircraft, the Ka-27 helicopter and the torpedo boat of the Kola flotilla of diverse forces.
"When performing rocket firing, the frigate's combat crews demonstrated confident possession of military equipment, high professionalism and naval training."
The wording of the press release suggests that the frigate may have successfully tested a shipborne missile launched variant of its vaunted air launched rocket propelled APR-3E torpedo, possibly designated APR-3M