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.
The combat record of the Tuskegee Airmen speaks for itself: 1  over 15,000 combat sorties (including 6000+ for the 99th prior to July '44) 2  111 German airplanes destroyed in the air, another 150 on the ground. 3  950 railcars, trucks, and other motor vehicles destroyed. 4  1 destroyer sunk by P-47 machine gun fire (Lt. Pierson's flight)