List of aircraft of World War II

Columns: Name of aircraft | Year in service | Country of origin
Kolesnikov-Tsibin KC-20 | 1942 | USSR | Maeda Ku-1 | 1941 | Japan | Messerschmitt Me 321 Gigant | 1941 | Germany | Slingsby Hengist | 1942 | UK | Waco CG-3 | 1942 | US | Waco CG-4/Hadrian | 1942 | US | Waco CG-13 | 1945 | US | Waco CG-15 | 1943 | US

Example questions:
In what year did the operational glider superseded by the Kokusai Ku-7 enter service ? | The most widely used US operational glider during 1942 ? | What was the country of origin of the operational glider that was transferred to the Navy for testing as the XLR2W-1 ? | What operational aircraft was named after a legendary 5th century conqueror of Britain and in service in the year 1942 ? | This German operational transport glider ceased production in 1945 but entered into service in what year ?

Answers:
1941 | Waco CG-4/Hadrian | US | Airspeed Horsa | 1938