Operational Condition Maintenance
MicroElectroMechanical System
Medium Earth Orbit
ESA Ministerial Council
Multi-Layer Insulation
Man-Machine Interface
Minutes of Meeting
(Orion) Multi-Purpose Crew Vehicle
Mars Robotic Exploration Preparation
MileStone
Member State
Meteosat Third Generation
Mid-Term Review
Mock-Up
Man Year
Navigation
Navigation Innovation and Support Programme
NonConformance Report
Network Discovery and Configuration Protocol
Negotiation