Administration: Union Aerospace Corporate Division

Administration: Union Aerospace Corporate Division is the fourth level of Doom 3. The pinky demon is introduced at a cutscene. The growth taking over the base is first seen, and this is where monsters start teleporting in. The player has the first opportunity to receive a chaingun, locked inside a Martian Buddy storage cabinet. The player must find William Banks' PDA to continue on to Alpha Labs.

PDAs

 * Alan Dorweiler
 * Jonathan Moses
 * William Banks
 * Paul Simons

Characters

 * Thomas Kelly
 * Elliot Swann
 * Malcolm Betruger
 * Jack Campbell
 * E. Webb
 * UAC announcer

Cabinets

 * Cabinet #013: 586
 * Martian Buddy Cabinet: 0508