Approach and Landing Tests 
Altitude 
Approach and Landing Test 
Alternate 
allison transmissions 
alanine aminotransferase 
Alternative 
Altimeter 
Approach and Landings Tests 
Association for Learning Technology 
Accelerated Life Test 
Acquisition, Logistics and Technology 
Administrative Lead Time 
Airborne Laser Tracker 
alanine transaminase 
alteration 
Alternate Local Transport 
alternating 
Alternator 
Automated Loop Test 
Accelerated Life Testing 
Accelerated-Life Test 
Achievement Level Tests 
Acoustic Leak Test 
Acquisition Lead Time 
Activated Liquid Thromboplastin 
Active Leap Technology 
Administration Lead Time 
Administrative Lead-Time 
Advanced Learning Technologies