The central image of the franchise is the , a 22-foot wide ring with distinct visual features that separate the TV series from the original 1994 film:

: The signature blue, watery vortex that erupts when a gate opens was actually a practical effect created by firing an air cannon into a large tank of water. Team Imagery and Composition

Official promotional and episode imagery typically highlights the primary , often depicted in their signature green or tan United States Air Force uniforms in the underground Cheyenne Mountain Complex.