National Geographic : 1918 Jan
,©Committee onPublic Information STUDYING THE MYSTERIES OF FLYING It is impossible to tell how much the armies at the front owe to their aviators. In days past itwas thecavalryman, wounded and galloping across the country, mayhap with a thousand foes at his heels. Today there comes flying across the heavens aresolute young hero onthewings of a modern Pegasus, defying shot and shell alike, and enabling his commander to see what Wellington always wanted tosee-"what was onthe other side of the hill." With an adequate air service for army and navy and the enemy must play his war game with hiscards onthetable. He has no chance whatever under these conditions to make capital of the element of surprise.