Related Quest: Call to Arms
Past the lab door requiring terminal password:
Weapon, Armor, and Chem Stations in the large room after opening the lab doors. In that same room, you'll find an Expert Terminal, Expert Safe, and Novice Toolbox.
Past the novice locked door
Tesla Science Magazine on the table with the CEO's terminal beside the couch.
Advanced Wall Safe in the same room with the Tesla Magazine and CEO terminal . In the collapsed floor to the right, after exiting the room with the Tesla Magazine and CEO terminal, you'll find a Novice Safe
Arcjet Engine Core:
The unique heavy weapon, Junkjet, is found on the table inside the technicians room
Fusion Core installed in a generator at the back of the technicians room. There's also a Novice Large Toolbox in that room.