What does TBD stand for?

Kaki Ae - Language code (ETLW)

Tactical Battle Drill - Army

Target Bearing Designator - Navy

Terminal Bomber Defense - Army (AABC)

Terminal Border Defense (MLEX)

Terrain Bounce Demonstration (ACAE)

The Board - Telegraphy (PCTE)

Thibodaux, LA - Location identifier - FAA (FAAL)

Thousand Barrels Daily (SAUS)

Thousand Barrels per Day - Also, KBD

Thunderbird Tours - Canada - FAA designator (FAAC)

Time/Bearing Display (SAUS)

Time Between Data (SAUS)

Time Between Defects (SAUS)

To Be Decided (SAUS)

To Be Declassified (AAG)

To Be Defined

To Be Delivered (SAUS)

To Be Designated (MCD)

To Be Designed (SAUS)

To Be Determined (AFM)

To Be Developed (NASA)

To Be Disbanded

To Be Discontinued (SAUS)

To Be Documented (CTAS)

To Be Done (AAG)

Too Badly Decomposed

Torpedo-Boat Destroyer - Obsolete

Total Body Density - Medicine (MAE)

Trans Border Energy - Vancouver Stock Exchange symbol

Transmitter Backward Channel Data (SAUS)

Triazabicydo-decene - Organic chemistry

Troubleshooting Block Diagram

Tube Bending Data (MCD)

Twin Boundary Diffusion