resources;
Fact Files
Stargate Atlantis: An Overview
Atlantis Fact File
Pegasus Files: A Database of Worlds
Technology

Character Resources
Application Form Help
Available Canon Characters
Position Descriptions | Open Positions
Comparative Rank Structures (Officers/Civilians)
United States Military Insignia: Enlisted Ranks and Officer Ranks

Unsure about anything Stargate-related? Try GateWorld's Omnipedia or Arduinna's Stargate Atlantis Handbook.

Credit