Pacific Ocean Region 
Porsche 
Plan Of Record 
plutonium organic recycle 
point of return 
Policy, Organisation and Rules 
Port Of Refuge 
Power Off Reset 
Power On Reset 
power-on reset 
Preparation of Overseas Replacements 
Program of Requirements 
proposed operational requirement 
Purchase Order Request 
IATA code for Pori Airport, Pori, Finl… 
P450 oxidoreductase 
Packet Overlay Retrofit 
Paperless Order Router 
Pathology Oncology Research 
patient oriented research 
Pay on Return 
Payable on Receipt 
Payload Operations Request 
Pazifische Ozean Region 
Performance Objective Report 
Period of Record 
Period of Review 
Personnel Occurrence Records 
Personnel Occurrence Reports 
Plan Of Records