Danish UC submarines were built by the entrepreneur who is CEO of what company?
Danish UC submarines The Danish UC submarines are a series of privately designed, built, and operated, subs by Peter Madsen and associates at Ubadsklubben Freya.
Thomas Winkelmann Thomas Winkelmann (born 20 December 1959) is a German businessman and (since February 2017) the Chief Executive Officer (CEO) of the Air Berlin