Regional Support Battalions
Repair Service Bureau
Rudder Speed Brake
Reactor Service Building
reticulocyte standard buffer
right sternal border
Recognised Supervisory Body
Reconfigurable Secure Bridge
Record Structure Builder
rectal suction biopsy
recurrent sinus barotrauma
Redeemable Secured Bonds
Regional Shipping Board
Regional Support Battalion
Regionalschnellbahn
Reinforcement Support Category
Remote Satellite Base
Remote Support Base
Remote view Service Board
Repairable Storage Branch
replica symmetry breaking
Research Support Branch
retinal Schiff base
Return Status Block
Robbed Bit Signaling
Rochester Subway
Rubystar
Rudder Speed Brakes
Rudder Speed Break