Operation Centerboard II
E351025
Operation Centerboard II was the codename for the U.S. mission that dropped the "Fat Man" atomic bomb on Nagasaki, Japan, on August 9, 1945, during World War II.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Operation Centerboard II canonical | 4 |
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
United States military operation
ⓘ
World War II operation ⓘ military operation ⓘ |
| aircraftUsed | B-29 Superfortress ⓘ |
| belligerent |
United States of America
ⓘ
surface form:
United States
|
| bombNickname | Fat Man ⓘ |
| bombType | Mark III nuclear bomb ⓘ |
| casualtiesEstimate | tens of thousands killed ⓘ |
| cityBombed | Nagasaki ⓘ |
| codenameFor | atomic bombing of Nagasaki ⓘ |
| commander | Charles W. Sweeney NERFINISHED ⓘ |
| commandStructure | Twentieth Air Force ⓘ |
| conductedBy |
509th Composite Group
ⓘ
United States Army Air Forces ⓘ |
| conflict | World War II ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| date | 1945-08-09 ⓘ |
| day | 9 ⓘ |
| deliveryMethod | air-dropped nuclear bomb ⓘ |
| followedBy |
Japanese surrender
ⓘ
end of World War II in the Pacific ⓘ |
| historicalSignificance | second use of a nuclear weapon in war ⓘ |
| launchAircraft | Bockscar ⓘ |
| launchBase | North Field, Tinian ⓘ |
| location |
Nagasaki
ⓘ
surface form:
Nagasaki, Kyushu, Japan
|
| month | August ⓘ |
| nuclearWeaponProgram | Manhattan Project ⓘ |
| objective | force Japanese surrender ⓘ |
| operationNature | strategic bombing mission ⓘ |
| operationSequence | second nuclear attack on Japan ⓘ |
| partOf |
atomic bombings of Hiroshima and Nagasaki
ⓘ
surface form:
atomic bombings of Japan
|
| precededBy |
Operation Centerboard I
ⓘ
atomic bombing of Hiroshima ⓘ |
| region | Japanese home islands ⓘ |
| result |
contributed to Japan's decision to surrender
ⓘ
destruction of large parts of Nagasaki ⓘ |
| target | Nagasaki ⓘ |
| targetCountry | Japan ⓘ |
| theater | Pacific War ⓘ |
| timePeriod | final days of World War II ⓘ |
| weaponType | plutonium implosion-type nuclear weapon ⓘ |
| weaponUsed | Fat Man ⓘ |
| weaponYield | approximately 21 kilotons of TNT ⓘ |
| year | 1945 ⓘ |
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.