Swedish aircraft carried out a lot of airborne surveillance but couldn't upload the material into NATO's intelligence systems.

WSJ: For Europe's Defense Establishment, a Moment of Truth on Defense

Ash dieback is spread by airborne spores and can also be moved long distances by the transport of infected material.

BBC: Ash dieback: More positive tests in Carmarthenshire

Last week, troops from the 101st Airborne found a stash of chemicals, which was investigated as possible nerve agents, but the material turned out to be pesticides, Freakly said.

CNN: U.S.: Mobile labs found in Iraq