Final answer:
A WRA Relocation Center is the theater-controlled area established to reassemble combat units and their equipment when inadequate space or facilities exist at the SPODs.
Step-by-step explanation:
The theater-controlled area established to reassemble combat units and their equipment when inadequate space or facilities exist at the SPODs is called a WRA Relocation Center. These centers were established during World War II to detain and intern Japanese Americans.
They were specifically designed to house and resettle large numbers of people, including the reassembly of combat units and their equipment when needed. The WRA Relocation Centers provided temporary accommodations and facilities for these purposes.