div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=karas-a-2021-2-3-in-the-spr-ing-of-1939-12-croups-of-the-polish-air-forcehtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Karas a · 2021 2 3 · In the spr ing of 1939 12 Croups Of the Polish Air force were operational After the Soviet Union attack on Poland on September 17 1939 the sur— viving loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader035vdocumentsnetreader035viewer20220716076145016734130627ed50b5dbhtml5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=karas-a-2021-2-3-in-the-spr-ing-of-1939-12-croups-of-the-polish-air-forcehtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: Karas a · 2021 2 3 · In the spr ing of 1939 12 Croups Of the Polish Air force were operational After the Soviet Union attack on Poland on September 17 1939 the sur— viving loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader035vdocumentsnetreader035viewer20220716076145016734130627ed50b5dbhtml5thumbnails2jpg width=140 height=200 divdiv