This glossary defines acronyms and terminology used throughout this website. Some terminology is standardized and used by the United States Department of Defense. 

OPR

Office of Primary Responsibility  

OSD

Office of the Secretary of Defense  

PEOs

Project Executive Officers

PI

Principal Investigator or Partnership Intermediary, depending on context

PIA

Partnership Intermediary Agreement

PM

Project Manager

PMR

Program Management Review

POC

Point of Contact