 Complete the following phrase:  The Norwegian Army Air Service bought its first five C.VEs in 1926. The initial purchase agreement with Fokker included license production rights, and in the period 19291931, 15 C.VEs were manufactured at the NoAAS aircraft factory at Kjeller. After the production of C.VEs ended, a further 28 C.VDs followed between 1932 and 1939. In total, the NoAAS operated 48 Fokker C.Vs, 43 of which were license built in Norway. When 