59 MRO definitions

Mars Reconnaissance Orbiter 
Maintenance, Repair and Operating 
Material Release Order 
Materiel Release Order 
Maintenance, Repair and Operation 
medical regulating office 
Medical Review Officer 
Maintenance, Repair and Operations 
Maintenance, Repair and Overhaul 
Medium-Range Order 
Memory Read-Out 
Message Releasing Officer 
Multiple Region Option 
Multi-Region Operation 
muscle receptor organ 
Machine Readable Output 
Maintenance and Repair Organization 
maintenance repair and operating suppl… 
Maintenance Repair and Operation 
Maintenance Repair and Operations 
Maintenance Repair Operations 
maintenance repair order 
Maintenance Repair Organization 
Maintenance, repair and operational 
Maintenance, Repair and Organizational… 
Mandatory Router Option 
MARATHON OIL CORP. 
Marathon Oil Corporation 
Mars Reconissance Orbiter 
master reference oscillator