Here another version of that picture 1732029122039.png, this time with more text.Wow su-27XXL
Yes most of the illustrations are from it, uncredited.May be it's worth to mention a main source of information and illustrations for this narrative which is famous two-volume Plunskiy/Zenkin/Antonov/Gordyukov/Bedretdinov book...
Yes, some of the material in this series is based on these sources, some is from other sources including Andrey Fomin (in the following episodes) and Efim Gordon. Some is created independently.May be it's worth to mention a main source of information and illustrations for this narrative which is famous two-volume Plunskiy/Zenkin/Antonov/Gordyukov/Bedretdinov book...