In a battle over the english channel, a single-seat british fighter shot down a german aceIn a battle over the English Channel, a single-seat British fighter shot down a German ace
American armored, single-seat, twin-engine thunderbolt attack aircraft in flightAmerican armored, single-seat, twin-engine Thunderbolt attack aircraft in flight
Japanese single-seat interceptor fighter of all-metal constructionJapanese single-seat interceptor fighter of all-metal construction
Soviet single-engine yak-7a against the sky, drawingSoviet single-engine Yak-7A against the sky, drawing
A special single-shot pistol with a removable buttA special single-shot pistol with a removable butt