It was at the forefront of international television newsgathering and had a vast network of foreign bureaus around the world with film crews capturing images of the events and people that defined the era.
UPMT grew steadily and became the first television news agency to operate on a truly international level with the BBC as its first European client.
Movietone briefly stayed in the theatrical newsreel field while UPI set up a new corporate entity, UPI-Newsfilm (UPIN), with headquarters in London and New York.
In the early eighties, UPITN was acquired by ABC (the American Broadcasting Company) which shared ownership with ITN (London's Independent Television News).
Twenty-thousand film cans containing 3,500 hours of international news footage have been lying dormant for decades deep underground in the Central London bunker.
The films themselves are being cleaned and restored by Éclair Laboratoires of Paris, and then transferred onto high definition videotape for use by professional producers.