On board the type 81 general purpose frigate HMS Nubian (1960) alongside the South Arm in Rosyth Dockyard prior to 25 March 1973. The photographer is looking forward from 47 station on the port side of 01 deck showing the explosive sound signals (grenade) ready use locker, two loudspeakers, a ten inch signal projector and an azimuth repeater against the bridge screen. The smoke marker ready use locker and the three inch rocket ready use locker are in the right foreground. The door to the enclosed bridge is open and ahead of the bridge wing are the liferaft stowage and the port 20mm oerlikon mounting. The two Forth Bridges are in the distance.