thea - trai
- theater communications command
- theater communications control center
- theater communications group
- theater communications system, Army
- theater COMSEC logistic(al) support center
- theater COMSEC logistic(al) support unit
- theater graves registration office
- theater ground command
- theater headquarters
- theater intelligence architecture program
- theater intelligence center
- Theater Intelligence Center, Pacific
- theater intelligence section
- theater inventory control point
- Theater Joint Air Defense Command
- theater joint operations center
- theater materiel management center
- theater missile defense
- theater movement control center
- Theater Naval Commander
- theater Navy headquarters
- theater nuclear forces
- theater nuclear forces, survival, security and safety
- theater nuclear weapon
- theater of military operations
- theater of operations
- theater of operations command
- theater of operations commander
- theater of war
- theater operations facility
- theater operations tactical evaluation model
- theater prisoner of war information center
- theater psychological warfare officer
- theater replacement command
- theater reserve
- theater shipping document
- theater watch intelligence condition
- theater weather central
- theater-oriented depot
- theater-oriented depot complex
