 Most of the early messages Van Tassel claimed to have received from Ashtar were first presented to the public at these events.Van Tassel's early purported messages from Ashtar contained a great deal of apocalyptic material, which focused on concerns regarding the development of the soon to be tested hydrogen bomb.It was claimed that on July 18, 1952, Ashtar entered the solar system as Commander in Chief of the Ashtar Galactic Command to warn humanity of the dangers of detonating the H-bomb, including the destruction of the planet.