It must not be thought that all operational aircraft in a modern air force need to have swept-back wings.
This is a variable geometry aircraft with swept-back wings.
What will happen when the swept-back wing aircraft are introduced?
This has been made easier because of swept-back wings and new methods of propulsion.
We are developing a swept-back jet-engined interceptor fighter.
Many swifts have long swept-back wings that resemble a crescent or a boomerang.
Many swifts have very long, swept-back wings that resemble a crescent or a boomerang.
Later 172 versions incorporated revised landing gear and the swept-back tailfin, which is still in use today.