100 OSC definitions

Optical Supervisory Channel 
Orbital Sciences Corporation 
Office of Special Counsel 
Ohio Supercomputer Center 
Output State Check 
Objective Supply Capability 
Office of Space Communications 
On Scene Coordinator 
On-Scene Coordinator 
Open Source Center 
oscillator 
On-Scene Commander 
Ontario Securities Commission 
Operations Support Center 
Operations and Security Center 
Operations Support Command 
Operations Systems Center 
Options Selection Committee 
Output State Control 
Office of Space Commercialization 
Office of the State Comptroller 
operational support command 
Operations Steering Committee 
Optical Sensor Converter 
Order to Show Cause 
Organization Structure Code 
Organizational Supply Code 
orthogonal signal correction 
oscillation 
oscilloscope