(U//FOUO) Asymmetric Warfare Group: Russian New Generation Warfare Handbook (PDF)

"Ukraine’s 2014 Euromaidan Revolution overthrew a corrupt Russian supported president and threatened to place a pro-European government in power on the very outskirts of the Russian Federation. In March 2014, Russia occupied Ukraine’s Crimea with SPETsNAZ units in a virtually bloodless operation. SPETsNAZ then infiltrated into the Donbas region, fomenting unrest and sparking a pro-Russian insurgency."

Russian New Generation Warfare Handbook (PDF)

"(U) Over the next few months, the Ukrainian military and volunteer militia fought back rather successfully. They pushed the separatists back to the very border with Russia. Then everything changed. Russian regular troops with heavy equipment attacked across their border and fought a series of encirclement battles resulting in hundreds of Ukrainian troops killed and the Ukrainian Anti-Terror Operation teetering on the brink of defeat.

(U) How do we combat this enemy? America has not encountered this type of conflict for nearly a generation and needs to transform to fight and win in complex maneuver warfare." 

Russian New Generation Warfare Handbook (PDF)