the event it was higher than forecast; Penney estimated it at . The cloud rose to . The slight wind meant that the cloud maintained its form for 24 hours, and produced a tight fallout pattern in the immediate vicinity of the test site the like of which had not been seen before. The five Lincolns assigned to sampling the cloud made 15 traverses in three hours. The filters were found to have radioactivity in excess of the requirements of the radiochemistry team, and were left for twelve hours to cool down. The crews were checked for contamination and, after showering, were found to be clean. The aircraft were parked away from other planes. The hazards team found contamination on the leading edges and tailplanes, although it was within acceptable limits. Ground crews were permitted to work on the aircraft, although they were instructed not to eat or smoke while working on the aircraft. A Centurion tank, Registration Number 169041, was positioned approximately from ground zero. Two hours before the test it was left with the hatch closed, engine running and brakes off, and test dummies with film badges representing the crew. After the test, the film badges indicated that a crew would have received enough radiation to have become sick within a few hours and died within a few days. The damage to the tank was much less than expected; it had not caught fire and the engine was still running. It was later driven from the test site under its own power. The tank's light damage was repaired, and it was put back into service. Subsequently, nicknamed The Atomic Tank, it was later used in the Vietnam War. During a firefight in May 1969, 169041 (call sign 24C) was hit by a rocket-propelled grenade (RPG) but remained battle-worthy. The Atomic Tank is now located at Robertson Barracks in Holtze, Northern Territory. Although other tanks were subjected to nuclear tests, 169041 is the only one known to have done so and then gone on to serve for another 23 years, including 15 months in a war zone. After the Totem 1 test, a black mist rolled across the landscape at the Wallatina and Welbourn Hill stations in the Granite Downs from the test site, and led to unacceptably high levels of radioactive contamination of these locations. There is controversy surrounding injuries received by Aboriginal people from fallout, and in