| World War II(noun, expression, era, epoch, period time) |
| Wright brother(noun, expression, technology, entity, history) |
| aerial battle(noun, expression, technology, entity, history) |
| aerial operation(noun, expression, technology, entity, history) |
| aerodynamic park(noun, expression, technology, entity, history) |
| aeroplane(noun, technology, entity, history, aviation) |
| aerospace museum(noun, expression, technology, entity, history) |
| aerospaceplane(noun, technology, entity, history, aviation) |
| aircraft preservation(noun, expression, technology, entity, history) |
| antique aircraft(noun, expression, technology, entity, history) |
| aviation accident(noun, expression, technology, entity, history) |
| aviation history of Australia(noun, expression, technology, entity, history) |
| aviation history of Belgium(noun, expression, technology, entity, history) |
| aviation history of Brazil(noun, expression, technology, entity, history) |
| aviation history of Canada(noun, expression, technology, entity, history) |
| aviation history of France(noun, expression, technology, entity, history) |
| aviation history of Germany(noun, expression, technology, entity, history) |
| aviation history of India(noun, expression, technology, entity, history) |
| aviation history of Ireland(noun, expression, technology, entity, history) |
| aviation history of Japan(noun, expression, technology, entity, history) |