Space Lens on Instagram: "The Delta IV Heavy was one of the most powerful operational rockets in the world, generating about 2.1 million pounds of thrust at liftoff. Its signature design used three Common Booster Cores strapped together — effectively three rockets firing as one — giving it that unmistakable triple-barrel profile. Built by United Launch Alliance, Delta IV Heavy launched some of the United States’ most sensitive national security payloads and carried NASA’s Orion spacecraft on its