20th Century - El Paso, Texas, USA -   An object was tracked by radar. One object was observed.

20th Century - Olathe, Kansas, USA -   An object was tracked by radar. Multiple independent witnesses. One object was observed by two male experienced military witnesses (Morrison).

20th Century - Mill Valley, California , USA -   Multiple radar confirmation

In the 1940's - Puerto Rico, USA -   USN incident.

25 February 1942 02:30 - Los Angeles, California , USA -   Formation of 6-9 luminous white dots in triangular formation in northwest, moving very slowly. Steady radar blip coming in from sea, over aircraft factories. 5 people killed by AA fire, accidents.

14 March 1942 17:35 - Banak, Norway -   Ground radar and German pilot. 100m long cigar 15m diameter, hovered, shot straight up at impossible speed.

13 August 1942 23:00 - Washington, District Of Columbia, USA -   Pilots incident.

9 October 1942 10:00 - Guadalcanal, Solomon Islands, Australia -   An object was tracked by radar and sighted visually. An unidentified object was tracked by radar and sighted visually.

26 July 1943 - Kiska Island, North Pacific Fl, Alaska, USA -   An object was tracked by radar. An unidentified object was tracked by radar in a warship. Explanation: FalseTarge.

In October 1943 Daytime - Kassel, Germany -   An object was tracked by radar and sighted visually. An unidentified object was tracked by radar and sighted visually (Visarius).

In April 1944 - Tarawa, Pacific -   Multiple radar confirmation

In July 1944 - Truk Ne Pb4Y1, Pacific -   Objects were tracked by radar. An unidentified object was tracked by radar only by 11 witnesses (Martin).

December 1944 - Austria -   Leet Case

1945 - Hanford, Washington, USA -   Hanford Nuclear Plant

1945 - Okinawa, Japan -   Near Okinawa

In January 1945 - Pasco Nas, Washington, USA -   An object was tracked by radar. An unidentified object was tracked by radar (Hendershott).

22 February 1945 Night - Chichi Jima, Japan -   USAAF 98th Bomb Group incident.

In mid-March 1945 - Admiralty Islands -   Radar-visual confirmation. Radar detected incoming object toward battleship, general quarters sounded. Shiny silver object hovered 20,000', seen through binoculars. Climbed out of sight when fired upon.

26 March 1945 Night - Iwo Jima, Japan -   Night Fighter 549th NFS incident.

In Spring 1945 - Europe -   An object was tracked by radar. An unidentified object was tracked by radar only by military witnesses (Armrose).

18 April 1945 04:15 - Iwo Jima N20M, Japan -   549th NFS P-61B incident.

26 May 1945 - Tokyo, Japan -   Fireball follows a B-29

In Mid- 1945 - Guam, Guam, USA -   Objects were tracked by radar. A group of objects was observed by a group of male experienced military witnesses on the ocean.

July 1945 - Hanford, Washington, USA -   UFO over AEC plant

In 1946 - La Grange, Florida, USA -   Objects were tracked by radar. More than one object was observed.