To move across the water...
Use throttle to accelerate
Use roll to turn

To use the gun
Use VTOL to move the gun from right to left
Use trim to move gun up and down

Very mobile friendly

The Admiral Gorshkov-class frigates, also known as Project 22350, are a class of frigate of the Russian Navy. They were designed by the Severnoye Design Bureau, Saint Petersburg, the lead ship being named after Sergey Gorshkov.Project 22350 is the effective successor of the Krivak class. Unlike their Soviet-era predecessors the new ships are designed to perform multiple roles. The ships are to be able to execute long-range strikes, conduct anti-submarine warfare and to carry out escort missions