SPY-7, the world's most advanced radar, is therefore a critical tool for warfighters around the world. Want to know what makes this radar so unique?
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The E-3 Sentry is a modified Boeing 707/320 commercial airframe with a rotating radar dome. The dome is 30 feet (9.1 meters) in diameter, six feet (1.8 meters) thick, and is held 11 feet (3.33 meters) above the fuselage by two struts.