Pilot training with supplied planes would be a different story. Planes show up in recon photos.
Yes they do show up on recon photos. And soldiers show up on video. This has been announced, often. https://www.google.com/url?sa=t&source=web&rct=j&opi=89978449&url=https://www.youtube.com/watch%3Fv%3Dz-X0iY7_UBQ&ved=2ahUKEwj25d6okYWAAxV0-jgGHV8jCl8QwqsBegQICRAB&usg=AOvVaw37C8scRF6DGjUOMQQWhHtT