438 SM definitions

Service Module 
Session Management 
System Manager 
Subnet Manager 
Standard Missile 
Surface Mounted 
Switching Module 
System Management 
Systems Management 
Set Mode 
Shuttle Management 
Single Mode 
statute mile 
Surface Mount 
San Marino 
secondary mirror 
Service Management 
service mark 
servicing mission 
Sparse Mode 
standard model 
Switching Modual 
Science Mission 
Section Manager 
Security Management 
Security Module 
shared memory 
Short Message 
short module 
simple mastectomy