An Antonov A-40 tank-glider.
Print all parts
Press tail into connector, fill holes with glue. The tail goes into the short end of the connector.
Press connector into tank, fill with glue. The long end of the connector goes into rear of tank.
Assemble top wing segments, by sliding them together, and gluing.
Put both bottom wings onto the sides of the connector. Glue them into place.
Set top wings into bottom wing struts. Glue.
Add glue to tank track slots. Press tracks into the grooves.
Add turret to tank. Only glue if you don't want rotation.
The assembled picture doesn't have the tracks glued into place, or really anything glued at all, as I designed this model to give to a friend as a birthday gift.