the first test managed by the DoD. While there was no surface collapse,tritium and krypton were found at the surface following the test; this was not made public until 1969. Milrow and Cannikin tests Though performed as part of the Nuclear Weapons Testing Program, "[the] purpose of the Milrow test was to test an island, not a weapon." It was a "calibration shot", intended to produce data from which the impact of larger explosions could be predicted, and specifically, to determine whether the planned Cannikin detonation could be performed safely. Milrow was detonated on October 2, 1969 , with an approximate yield of . The shockwave reached the surface with an acceleration of over 35 g (340 m/s2), causing a dome of the Earth's surface, approximately in radius, to rise about . The blast "turned the surrounding sea to froth" and "forced geysers of mud and water from local streams and lakes into the air". A "surface collapse feature", also known as a subsidence crater, was formed by material collapsing into the cavity formed by the explosion. Cannikin was intended to test the design of the Spartan anti-ballistic missile (ABM) interceptor – a high-yield warhead that "produced copious amounts of x-rays and minimized fission output and debris to prevent blackout of ABM radar systems." The test would "measure the yield of the device, measure the x-ray flux and spectrum, and assure deployment of a reliable design." Controversy A few days after the Milrow test, the Don't Make A Wave Committee was organized at a meeting in Vancouver, British Columbia, Canada. The committee's name referred to predictions made by a Vancouver journalist named Bob Hunter, later to become a member of Greenpeace. He wrote that the test would cause earthquakes and a tsunami. On the agenda was whether to fight another blast at the island, or whether to expand their efforts to fight all perceived threats against the environment. As he was leaving, one man gave the traditional farewell of the peace-activist movement "Peace" – to which another member replied "Make it a green peace". The committee would later become Greenpeace. The AEC considered the likelihood of the test triggering a severe earthquake "very unlikely", unless one was already imminent on a nearby fault, and considered a tsunami "even more unlikely". Others disagreed. Russell Train, then Chairman of the Council on Environmental Quality, argued that "experience with Milrow ... does not