Tactical Operations Center 
Total Ownership Cost 
Total Organic Carbon 
Tactical Operation Center 
Tactical Operations Centers 
Train Operating Company 
Table of Contents 
Technical Order Compliance 
Total Organic Compound 
total organic compounds 
Total Ownership Costs 
Table Of Coincidences 
Tactical Operation Centers 
tag open cup 
Technical Operating Center 
Technical Operations Center 
Television Operating Centre 
Terminated Open Circuit 
Test Operation Center 
Test Operations Change 
theater of operations command 
theory of constraints 
Threshold Odor Concentration 
Top Of Climb 
TRAFFIC OPERATIONS CENTER 
Training Officers Conference 
Aerotropical 
Conrail 
IATA code for Toccoa RG Letourneau Fie… 
Tactical Operation Combat System