the Cold War years 1970-1991 he was Defence Correspondent for
the Dutch national newspaper NRC Handelsblad and contributed
many articles on military, aerospace and intelligence developments.
1965 he also wrote extensively for aviation and defence magazines
in the Netherlands and was co-author of several books. His main
interest has always been focused on aerial reconnaissance, Cold
War incidents and air intelligence.
In 1985 he wrote my first book Spionage vanuit de Lucht,
about secret NATO and Soviet intelligence flights during the Cold
This book was later published in Great-Britain and the United
Aerial Espionage - Secret Reconnaissance Flights
by East and West.
Under the same title it was also translated into Japanese and
published in Japan.
In 2009 he wrote MiG's op de vlucht (MiGs on
the run, Pilot Defectors in the Cold War), the first book
about pilot defectors covering the whole spectrum of aerial defections
worldwide since WW2.
October 2016 he published the English language book - The
Secret MiGs of Bornholm - about the Polish pilots who
defected with their MiG-15 fighters to the Danish island of Bornholm
and to Sweden. The emphasis is on the covert technical intelligence
examination of these fighters. Many fascinating historical details
- not published before - came from Secret and Top Secret declassified