Assertion: project blue book | /r/CapableOf | investigate the mariana incident in 1950
Facets:
value: in 1950
type: TEMPORAL
Source sentences:
text: In its early years under the direction of US Air Force Captain Edward J. Ruppelt, Project Blue Book thrived, investigating cases that we still remember today, including the Mariana Incident in 1950 and the 1952 Washington, DC UFO Incident, which brought panic to the nation’s capitol.