The American Gem Society, or AGS. This group is recognized by the jewelry industry as an authority for grading gemstones.

American Gem Society, Las Vegas, USA

American Gerbil Society

Hydrographic Survey Ship

Surveying Ship GTS - Gas Turbine Ship

Alternative Commodity Gas Supplier

An accelerator based at Brookhaven National Laboratory (BNL). For more information, see: http://www.bnl.gov/bnlweb/facilities/AGS.html

Automated Gene Synthesizer. The AGS, now being designed, will be able to build customized genes in a matter of hours.

Abort Guidance System, pronounced "aggs". A simple guidance system in the lunar module to allow it to rendezvous with the command module in case the landing had to be aborted or in case the primary guidance system failed.

Administrative Grievance System

Invented in 1984 by two Stanford University researchers and introduced in 1986 by Cisco Systems, it was the first multi-protocol router. Early features included 1 MB of memory and connection support for Ethernet and ARPAnet - the predecessor of the Internet.

automatic grenade launcher (Soviet)

Airborne gamma-ray spectrometry

Air Ground Surveillance

Air Gunnery School

Australian Government Solicitor

Asynchronous Grain Synthesis

Agricultural Statistics