National Geographic : 1942 Jul
Official Photograph U.S.Navy Dispatcher Gives the "Go" Sign, and a Fighter Plane Sweeps Across the Deck for the Take-off A carrier's air officer gives his orders through a powerful amplifier known as the "bull horn." "All hands man flight quarters stations," galvanizes theentire crew into action. At "Start engines," the din drowns out even the amplifier. The carrier heads into the wind. Planes taxi totheir positions. One byone they slip past the bridge tower and these protecting 8-inch guns, then soar aloft.