Operation Castle was a series of high yield thermonuclear weapon design tests. The original schedule included a weaponized version of the cryogenic fuel system used in Sausage designated the TX/EC-16, the test device being named JUGHEAD.
In 1943, as World War II raged in Europe and the Pacific, thousands of men and women from across the United States began arriving in a remote part of south-central Washington state. They knew very little about why the U.S. government had hired them — only that it was an important project to support the war effort. It was a project that would change the world forever.
dinosaurspen: Mathematician and pioneering software developer Phyllis Cady Johnson (right) and two unknown women working on an IBM calculating machine, date unknown. Johnson specialized in nuclear mathematics, first working at Lawrence Livermore Laboratory and later Oak Ridge National Laboratory, where she worked on the Manhattan Project and later went on to a career developing scientific software for the Atomic Energy Commission.