 Details of such equipment is classified and not described here.As required by law, the ship's Merchant Marine Master had a radio room and a radio operator who was responsible for ship's business but was not associated in any way with the operation of the radio system used for technical purposes.Four modified TALOS AN/FPW-2 Guidance Pedestals were slaved to either or both of the AN/FPQ-4 tracking radars in order to provide optical, infra-red and other supplementary instrumentation for the observation of re-entry bodies.