Meteorological Data Sounding System
Maintenance Decision Support System
medical decision support system
Massive Data Storage Service
McDonnell Douglas Space Systems
Measured Depth Sub-Sea
Medicare Decision Support System
Microprocessor Development Support Sys…
MILSATCOM Decision Support System
Mission Data Staging System
Mobilization Decision Support System
Modular Digital Sun Sensor
Multi-Domain Smart Sensors
Multiple Domain Smart Sensor
myelodysplastic syndromes
Mission Data Support System