National Geographic : 1946 Jun
© National Geographic Society Kodachrome, U.S.Navy, Official On an Escort Carrier's Flight Deck a Hellcat Warms Up while the Catapult Crew Adjuststhe Yoke Preparatory toTake-off Hydraulic catapults greatly increase the efficiency of an aircraft carrier by speeding up the launching of planes. The addedboost shortens the take-off, allowing more space on the flight deck for parking planes. Thus a carrier may carry many more aircraft. Night take-offs, too, are simplified bythe quick pull ofthe catapult.