<sod>In response to the [[1963 South Vietnamese coup|coup against President Ngô Đình Diệm]] in South Vietnam Prince Sihanouk cancelled on November 20, 1963 all American aid, and on January 15, 1964 the US MAAG aid program was suspended when Cambodia adopted a neutrality policy,<ref>''The rise of the Eagle Flights'' in ''Vietnam, the air war over south-east Asia'' (2016), p. 26.</ref> so the ARK continued to rely on French military assistance but at the same time turned to the Soviet Union, China, [[Czechoslovakia]], Britain, Belgium, and West Germany for weapons, equipment and training.<eod>
<sod>In response to the [[1963 South Vietnamese coup|coup against President Ngô Đình Diệm]] in South Vietnam Prince Sihanouk cancelled on November 20, 1963 all American aid, and on January 15, 1964 the US MAAG aid program was suspended when Cambodia adopted a neutrality policy.<ref>''The rise of the Eagle Flights'' in ''Vietnam, the air war over south-east Asia'' (2016), p. 26.</ref> The ARK continued to rely on French military assistance but at the same time turned to the Soviet Union, China, [[Czechoslovakia]], Britain, Belgium, and West Germany for weapons, equipment and training.<eod>