How did Japan produce the Mitsubishi A6M (Zero) fighter plane? Did they have any prior experience to build one before World War II? - Quora
If World War II had gone on for another year or so, what improvements could have been made to fighter aircraft, both propeller and jet? - Quora
![Patagonia Black Hole Pack 25L - Backpack made from Recycled Polyester - Weekendbee - sustainable sportswear Patagonia Black Hole Pack 25L - Backpack made from Recycled Polyester - Weekendbee - sustainable sportswear](https://www.weekendbee.com/cdn/shop/products/black-hole-pack-25l-100-recycled-polyester-bags-patagonia-892772_300x.jpg?v=1679662287)