| Acronym | Meaning |
![](file.png) | TBA | To Be Added |
![](file.png) | TBA | To Be Announced |
![](file.png) | TBC | Terminal Buffer Controller |
![](file.png) | TBD | To Be Defined |
![](file.png) | TBD | To Be Determined |
![](file.png) | TBD | To Be Developed |
![](file.png) | TBE | To Be Evaluated |
![](file.png) | TBF | Test De Bon Fonctionnement (Spacelab) |
![](file.png) | TBI | Through-Bulkhead Initiator |
![](file.png) | TBN | To Be Negotiated |
![](file.png) | TBP | To Be Provided |
![](file.png) | TBS | Task Breakdown Structure |
![](file.png) | TBS | To Be Specified |
![](file.png) | TBS | To Be Superseded |
![](file.png) | TC | Telecommunications |
![](file.png) | TC | Temperature Compensating |
![](file.png) | TC | Test Conductor (Contractor) |
![](file.png) | TC | Test Conductor (Controller) |
![](file.png) | TC | Thermal Control |
![](file.png) | TC | Thermocouple |
![](file.png) | TC | Thiokol Corporation |
![](file.png) | TC | Thrust Chamber |
![](file.png) | TC | Time To Circular |
![](file.png) | TC | Traceability Code |
![](file.png) | TC | Tracking Camera |
![](file.png) | TCA | Thrust Chamber Assembly |
![](file.png) | TCA | Time Of Closest Approach |
![](file.png) | TCA | Translation Controller Assembly |
![](file.png) | TCAB | Temperature Of Cabin |
![](file.png) | TCC | Test Control Center |
![](file.png) | TCC | Thermal Control Coating |
![](file.png) | TCD | Test Completion Date |
![](file.png) | TCD | Test Control Document |
![](file.png) | TCE | Thermal Canister Experiment |
![](file.png) | TCF | Tank Checkout Facility |
![](file.png) | TCG | Test Control Group |
![](file.png) | TCG | Time Code Generator |
![](file.png) | TCI | Technical Critical Item |
![](file.png) | TCID | Test Configuration Identifier Document |
![](file.png) | TCMD | Transportation Control And Movement Document |
![](file.png) | TCN | Test Change Notice |
![](file.png) | TCN | Transportation Control Number |
![](file.png) | TCO | Taken Care Of |
![](file.png) | TCO | Test And Checkout |
![](file.png) | TCOP | Test Checkout Pian(s) |
![](file.png) | TCP | Task Control Packet |
![](file.png) | TCP | Test Checkout Procedure |
![](file.png) | TCP | Test Control Package |
![](file.png) | TCP | Thrust Chamber Pressure |
![](file.png) | TCR | Test Compare Results |