COE ao doe NY aterm tod OL until they see a particular shot, In the past larger shots have been delayed for periods of up to twenty days, and there have been occasions where a shot had to be rescheduled for technical reasons even after observers had started their travel. We believe it preferable to state that the aircraft will normally remain in the Proving Ground for a period of 10 days unless the shot to be observed occurs earlier. In view of these considerations, our invitation will tell the invitees they can expect to be absent from Washington for 10 to 15 days. 4, With regard to foreign observation, the Commission has no objection to the observance your letter indicates as contemplated by the Department. We understand that the nine observers from Australia, Canada and the United Kingdom may be either military or civilians. We have been informed by General Loper's office that the necessary concurrence of the Department of State has been secured, 5. It 1s understood that the nine UK, Canadian, and Australian observers will be taken to and from the Pacific separately from U.S, official observers and it is planned that they will observe the VHA prime shot, We further understand that a special trip separate from the above and not including U.S, officlal observers is contemplated to depart on or about 1 June to accommedate the NATO observers. We believe that such arrangements will permit freer discussion by U.S. attendees while enroute to and from the Proving Ground and will minimize the problems of group segregation for briefing and tours in the forward area, - 10 - Appendix "c" bee