Tizard Mission Commemoration (IMAGE) Office of Naval Research Caption Dr. Larry Schuette, left, director, Office of Research (Discovery and Invention), discusses artifacts on display during the 75th-anniversary commemoration of the Tizard Mission with Sean J. Stackley, assistant secretary of the Navy for research, development and acquisition, during an event held at the Canadian Embassy in Washington, D.C. In 1940, Sir Henry Tizard and a small British delegation brought with them to the United States and Canada plans for more than 20 technologies, most importantly the cavity magnetron, which made possible radars that were both small and powerful. Credit (US Navy photo by John F. Williams/Released) Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.