Operation Freshman was the codename given to a British airborne operation conducted in November 1942 during World War II. It was the first British airborne operation using Airspeed Horsa gliders, and
The Vemork hydroelectric plant, circa 1947.
The Vemork Hydroelectric Plant as it looks today. Heavy water production took place in the now-demolished Hydrogen Production Plant, formerly situated to the left (i.e. in front) of the building in the picture.