Have A Look At 30+ Of The Best Attack Helicopters That That Are Still In Service

6. B-29 Superfortress – U.S.A.

The B-29 Superfortress is a massive plane even by today’s standards. This bomber plane, designed by Boeing in the early 1940s, had several complicated advancements that improved the bomber plane. Among other things, it had pressurized crew cabins and remote-controlled armaments. It was also known as the heaviest production plane in the world! This was yet another significant aircraft during WWII. The B-29 was used for a variety of missions, including observation and in-flight refueling.