Built as a US Army CH-47C with cn B725 and serial 74-22060 but delivered Mar-1975 to the Canadian AF as CH-147 147003, in Jan-1992 nominally back to the US Army as 93-0661 for conversion to CH-47D with new cn M3661 and to the Netherlands AF as D-661 taken on charge Aug-1996. Seen here during one of the rare sunny breaks between the rain showers on this Open Day. It carries a NATO badge on the fin.