What does GBR stand for?

What does GBR mean?

GBR	Great Britain Regional » Countries
GBR	Great Barrier Reef Academic & Science » Ocean Science
GbR	Gesellschaft bürgerlichen Rechts International » German
GBR	Ground-Based Radar Governmental » Military
GBR	Greenbriar Corporation Business » AMEX Symbols
GBR	Global Business Research Medical » Human Genome
GBR	Great Barrington Airport, Great Barrington, Massachusetts USA Regional » Airport Codes
GBR	Great Barrier Reef Academic & Science » Botany
GBR	Ground Based Radar Governmental » Transportation
GBR	Glass Bead Rating Governmental » NASA
GBR	Global Brands Business » London Stock Exchange