SR-71
The SR-71 was a reconnaissance plane during the Cold War and Vietnam War this air craft flies right below space it was made to go high and fast.It was amazing because it could pick up anything on its advanced radar. It a special cloaking device that bogeys radar can’t pick up it was replaced after the Vietnam War because of the satellites we now have can do the same thing.The SR-71 is still used today by NASA to train astronauts. the SR-71 was also used for recon in the vietnam war to be able to find all the enemy troops.