Faced with this fiasco, the U.S. and other foreign powers pressured the RLG into a coalition with the Pathet Lao and Kong Le's Forces Armee Neutrale. This technically fulfilled the Geneva Agreements on Laos and triggered the treaty requirement that foreign military technicians be withdrawn from Laos by October. The United States disbanded its Military Assistance Advisory Group and withdrew its military mission. The Vietnamese communists did not; they repatriated only a token 40 technicians out of an estimated 2,000.[70]
July 1962 saw the field tests of Pilatus Porter Short Takeoff and Landing aircraft by Bird and Sons. The original two Porters' performance was degraded by heat and height robbing power from engine performance. One of the Porters crashed in December, killing all on board.[71]
Several companies of hill tribes irregulars were sent to Hua Hin, Thailand for training