Title: On ULTRA active service
Description: It tells the story of Australia's Signals Intelligence operations during World War II - in Greece, Crete and Syria, and later in northern Australia, New Guinea, the Netherlands East Indies and Philippines. It is a unique and thrilling story - told here for the first time publicly.
Subjects: Australia, Australia. Australian Army, Australian Personal narratives, Biography, Cryptography, Electronic intelligence, Intelligence officers, World War, 1939-1945
Places: Australia
People: Geoffrey St. Vincent Ballard