---

---

Abbreviation	Definition
R	Regular
R	Regular Army
R	Reinforcement
R	Rejected
R	Rejoining
R	Required
R	Reserve
R	Resources
R	Respectfully
R	Retreat
R	Reviewing
R	Revision
R	Revolution
R	Rifle
R	Ritter (German: Knight)
R	Routine
R	Russian
R	Search Radius
R&A	Reliability and Availability
R&A	Review and Analysis

---