During World War II, the Lockheed developed a long-range version of its famous fighter P-38 Lightning, however, due to technical problems the project was canceled. The link below provides a collection of interesting photos of the plane and a question: If the plane had entered service, have reached the success of the P-38? What do you think? Visit the link, see the photos and answer this question through a poll at the end of the post.
http://aviacaoemfloripa.blogspot.com.br/2011/03/lockheed-xp-58-chain-lightning.html
Best Regards.