Of course your neglecting to mention the Space Shuttle acts as a rocket during takeoff… not an aircraft. Its also not only its own “power” making it go skyward. You could strap some boosters on a Cessna 172 and make it accelerate straight up, too. 
Of course your neglecting to mention the Space Shuttle acts as a rocket during takeoff… not an aircraft. Its also not only its own “power” making it go skyward. You could strap some boosters on a Cessna 172 and make it accelerate straight up, too.