Beginning of the Russo-Ukrainian War: Armed Invasion and Occupation of Crimea (2014)

A covert military invasion and occupation of the Crimean Peninsula, marking the beginning of the Russian Federation's hybrid armed aggression against Ukraine. The operation included the seizure of administrative buildings by soldiers without insignia ("little green men"), the forcible installation of a controlled prime minister, and the holding of a sham referendum. It concluded with the official legal absorption of the territory by the State Duma of the Russian Federation[1][2].

ID: C0100
Start:  February 2014
End:  March 2014
Version: 1.0
Created: 27 April 2026
Last Modified: 27 April 2026

Actors

ID Name Description
G0011 Russian Federation

Use of regular troops without insignia ("little green men") to establish military control over the territory and blockade Ukrainian garrisons[1].

Techniques Used

ID Name Use
T0017 Annexation of Territories

Official legal ratification by the State Duma of the Russian Federation on March 18, 2014, of the forcible incorporation of the Crimean Peninsula into Russia[3].

T0143 Cultivation of an Imperial Diaspora

Covert transfer from Russia of hundreds of "tourists" (veterans, athletes, bikers) who posed as aggressively minded local residents and demanded Crimea's annexation to the Russian Federation at rallies[1].

T0137 Disinformation

Official denial by the leadership of the Russian Federation of the participation of Russian regular troops in the seizure of the peninsula, in order to conceal the fact of aggression under the guise of actions by "local self-defense"[1].

T0019 Military Intervention

Use of regular troops without insignia ("little green men") to establish military control over the territory and blockade Ukrainian garrisons[1].

T0037 Puppet Government

Forcible herding of deputies of the Supreme Council of Crimea into the seized building for a coerced vote and the appointment of S. Aksyonov, a prime minister loyal to the Kremlin[1].

T0109 Sham Expression of Popular Will

Holding a sham referendum on March 16, 2014, under conditions of military occupation ("at gunpoint") to legitimize the severance of the territory[3].

Instruments

ID Name Description
S0008 Government

Official legal ratification by the State Duma of the Russian Federation on March 18, 2014, of the forcible incorporation of the Crimean Peninsula into Russia[3].

S0012 Occupation and Controlled Administrations

Holding a sham referendum on March 16, 2014, under conditions of military occupation ("at gunpoint") to legitimize the severance of the territory[3].

S0021 Propaganda

Official denial by the leadership of the Russian Federation of the participation of Russian regular troops in the seizure of the peninsula, in order to conceal the fact of aggression under the guise of actions by "local self-defense"[1].

S0010 Regular Army

Use of regular troops without insignia ("little green men") to establish military control over the territory and blockade Ukrainian garrisons[1].

S0017 Secret Police and Security Services

Forcible herding of deputies of the Supreme Council of Crimea into the seized building for a coerced vote and the appointment of S. Aksyonov, a prime minister loyal to the Kremlin[1].

References