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.
Simo Hayha ( December 17, 1905 â April 1, 2002) was a Finnish soldier. He has the highest recorded number of confirmed sniper kills in any major war. He was so good that the Russian soldiers began to call him as White Death. He had over 500 confirmed kills during Winter war, which lasted only 105 days.