FOREIGN PARTICIPATION The United Kingdom was allowed to sample the debris clouds generated by the CASTLE detonations. based on Kwajalein. This was done using RAF Canberra aircraft The NAS, Kwajalein, provided airbase support, and VP-29 personnel supervised aircraft decontamination activities. The task force provided personnel film badges to the RAF crews, but after developing the film badges the information was apparently turned over to UK authorities as these readings were not published in the Consolidated List. 408