MCRR

AcronymDefinition
MCRRMedical Care Research and Review
MCRRMidwest Central Railroad (Mount Pleasant, IA)
MCRRMichigan Central Railroad
MCRRMachine Check Recording and Recovery
MCRRMarine Corps Recruiting Ribbon (US DoD)
MCRRMovement Control and Readiness Reporting
MCRRMain Cardiovascular-Respiratory Rhythm (neurophysiology)