Sea Base 4 was a sea base in the ocean on planet Earth. It was active during 2084; part of Sea Base Command, it had several weapons systems including energy tracers.
During 2084 Sea Base 4 was involved in a conflict with the Sea Devils and the Silurians. All of the staff died in the attack. However the Sea Devils and Silurians were killed by Hexachromite gas that was released by the Doctor. (DW: Warriors of the Deep)
Staff
