Three nations seek to equip their armies with small quadcopters — the U.S., Ukraine, and Russia. All want to field effective battlefield scouts, but their different organizations, cultures, and budgets have led to different approaches to the challenge.
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Given that quadcopters are consumer items you can easily buy over the Internet, you might think getting them to the front lines is simple.
It has not been simple for any of the three players. 
Ukraine: Army of Drones and Quadcopters 
Small drones have become an essential part of Ukraine’s military operations in the last year. The drones locate and identify enemy units, direct artillery, and gather intelligence, as well as dropping grenades.
However, most of Ukraine’s acquis …