You can also click the Add layer mask icon at the bottom of the Layers panel (which, by default, selects Reveal All). Note that if you already have a layer mask on the layer, this icon will change to Add vector mask. Or you can click the Add a Layer Mask icon in the Properties panel.
The top American ace of all time, the U.S. Ace of Aces was Richard Ira Bong. He shot down 40 Japanese planes in the Pacific. Over the years, there's been a lot of ink spilled about the relative scores of German and American aces. 27 Americans shot down over 20 enemy planes.
History Listsâ¢. 6 Famous WWI Fighter Aces. The skies over World War I-era Europe served as a brutal testing ground for manned aircraft. Most early fighters were flimsy and frail, and equipment failures and accidents often proved as deadly as enemy gunfire. Upon hopping into the cockpit, even the most skilled pilots had a life expectancy of mere weeks.