gptkb:Ilovaisk_encirclement gptkb:siege_of_Donetsk_airport
use of heavy artillery
displacement of civilians
ATO declared in April 2014
NATO support (non-lethal)
civilian casualties in conflict zones
international condemnation of Russian intervention
international military aid received
introduction of martial law in some regions
loss of Crimea
loss of Debaltseve
loss of military equipment in Donbas
mobilization decrees in 2014
recapture of Mariupol
recapture of Sloviansk
reform of command structure
reliance on volunteer fighters
siege of Luhansk airport
use of airstrikes
use of checkpoints in Donbas