article_snippet: State Department spokeswoman Jen Psaki said the third U.S. citizen was not being named at this time.
article_snippet: Yvonne worked with the National Geospatial-Intelligence Agency, the Pentagon's satellite mapping office, according to a person close to Our entire family. '
article_snippet: The department was also reviewing records to determine whether any other U.S. citizens might have been on board the flight. '