Mars Science Laboratory 
mean sea level 
Material Science Laboratory 
Materials Science Laboratory 
Military Shipping Labels 
Map Specification Library 
Master Station Log 
Military Shipping Label 
Mirrored Server Link 
Moisture Sensitivity Level 
Microsoft Software Library 
Military Shipment Label 
Marine Sciences Laboratory 
Master Subsidy Lock 
Materials Science Lab 
Maximum Segment Lifetime 
Mechanical System Laboratory 
Microgravity Science Laboratory 
Microsoft Support Lifecycle 
midsternal line 
Mirror Server Link 
MiSsiLe 
Moisture Sensitivity Levels 
Multisatellite Link 
IATA code for Northwest Alabama Region… 
Machine Specification Language 
Magick Scripting Language 
Mail services log 
main steam line 
Maintenance Supply Liaison