4 events with tag "radar"
1935
ID: 1432
First radar systems developed
ID: 1432
1939
ID: 1488
WWII: Massive expansion of radar technology and military radio systems
ID: 1488
1952
ID: 1670
Washington National Airport UFO Incidents - Objects tracked on radar at 7,000+ mph, largest Air Force press conference
ID: 1670
1958
ID: 1740
Asian flu pandemic (Firstenberg correlates with radar and early satellite technology)
ID: 1740