Shields
Star Trek
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In the Star Trek fictional universe, shields refer to a 23rd and 24th century technology that provides starships, space stations, and entire planets with limited protection against damage. They are sometimes referred to as deflectors, deflector... Wikipedia
Created by: (Series); Gene Roddenberry; (Episode); Paul Schneider
First appearance: "Balance of Terror"; Star Trek; December 15, 1966
Function: Protects ships, space stations, and planets from damage by hazard or enemy attack