Royal Air Force
Research Aviation Facility
Resource Allocation Formula
Return All Frames
Risk Assessment Forum
Rate Adjustment Factor
Reactivity Adjustment Factor
Repetitive atrial firing
Requirements Analysis Form
rheumatoid arthritis factor
Farnas Aviation Services
Radiation amplication factor
Radiofizika
Radium F
raffinose
Rainbow Action Forum
Record Address File
Recorded Announcement Frame
Recorded Announcement Function
Referral Authorization Form
Regular Air Force
relative absorption factor
relative activity factor
renal arterial blood flow
Reporting Agent File
Reporting Agents File
requirements analysis folder
Research Affiliate
Research Aircraft Facility
Research Animal Facility