輜重兵
Brown joined the helicopter cruiser as her Supply Officer ('Commander (S)') on 29 September 1973. The ship, flying the flag of Flag Officer Second Flotilla, led the first RN Group Deployment to the Far East, returning to the United Kingdom via the Cape; he was Group Logistics Officer and also flew on occasions as second pilot in Sea King helicopters from HMS "Tiger"'s 826 Naval Air Squadron to help with aircrew manning problems.