The Coast Guard, Navy, Air Force and Customs and Border Protection searched unsuccessfully for the three people aboard the aircraft that crashed Wednesday.
The contractor admitted that she and others conspired to steal property from the base in Kandahar in 2015, while a co-conspirator negotiated the sale of the stolen property with a third-country national middleman.
A woman who worked as a contract linguist for the U.S. military in Iraq pleaded guilty Friday to sharing classified information with a romantic interest linked to the Lebanese militant group Hezbollah.