on by government propaganda. Most Americans and citizens of other countries allied to the United States wanted to evacuate the city before it fell, and many South Vietnamese, especially those associated with the United States or South Vietnamese government, wanted to leave as well. As early as the end of March, some Americans were leaving the city. Flights out of Saigon, lightly booked under ordinary circumstances, were full. Throughout April the speed of the evacuation increased, as the Defense Attaché Office (DAO) began to fly out nonessential personnel. Many Americans attached to the DAO refused to leave without their Vietnamese friends and dependents, who included common-law wives and children. It was illegal for the DAO to move these people to American soil, and this initially slowed down the rate of departure, but eventually the DAO began illegally flying undocumented Vietnamese to Clark Air Base in the Philippines. On 3 April, President Gerald Ford announced "Operation Babylift", which would evacuate about 2,000 orphans from the country. One of the Lockheed C-5 Galaxy planes involved in the operation crashed, killing 155 passengers and crew and seriously reducing the morale of the American staff. In addition to the over 2,500 orphans evacuated by Babylift, Operation New Life resulted in the evacuation of over 110,000 Vietnamese refugees. The final evacuation was Operation Frequent Wind which resulted in 7,000 people being evacuated from Saigon by helicopter. American administration plans for final evacuation By this time the Ford administration had also begun planning a complete evacuation of the American presence. The planning was complicated by practical, legal, and strategic concerns. The administration was divided on how swift the evacuations should be. The Pentagon sought to evacuate as fast as possible, to avoid the risk of casualties or other accidents. The U.S. Ambassador to South Vietnam, Graham Martin, was technically the field commander for any evacuation since evacuations are part of the purview of the State Department. Martin drew the ire of many in the Pentagon by wishing to keep the evacuation process as quiet and orderly as possible. His desire for this was to prevent total chaos and to deflect the real possibility of South Vietnamese turning against Americans and to keep all-out bloodshed from occurring. Ford approved a plan between the extremes in which all but 1,250 Americans—few enough to be removed in a single day's helicopter airlift—would be evacuated quickly; the remaining 1,250 would