What Did This US Military Cargo Plane Just Drop Over Tajikistan?

Just a quick little mystery today, folks.

A U.S. Air Force C-17 Globemaster III flies over Joint Base McGuire-Dix-Lakehurst, N.J., Aug. 31, 2016. (U.S. Air National Guard photo by Master Sgt. Matt Hecht) Public domain

In an age when every flight path can be tracked by a teenager on Twitter, it’s rare that a US military flight sparks this much speculation. But that’s exactly what happened on Satu…