A pair of Russian Mi-8 attack helicopters take to the sky before they are seen traveling close to the ground over the countryside somewhere in Ukraine.
A Russian thermobaric multiple rocket launcher that is mounted on a tank chassis fired at Ukrainian targets with devastating effects, according to reports from Russia military.
Ukrainian forces fired three large tactical ballistic missiles at Russian positions including ammunition depots, as images from Ukraine's military reportedly show.
"Spetsnaz" units are a type of special forces that typically carry out special reconnaissance operations, acts of sabotage, and psychological warfare.
Ukrainian Marines, working with artillery gunners and a mechanized unit, reportedly took out a Russian tank and ammunition.
The pro-Russia, so-called Donetsk People's Republic has taken fortified positions that were held by Ukrainian forces until recently, images purport to show.
Documents show the rocket could be used as a far faster transport method than cargo aircraft—though it's unclear how much it would cost.
Aerial footage reportedly shows Chechen troops bombing a Ukrainian stronghold amid claims they have seized the towns of Zolote and Gorskoye.
Chechen leader Ramzan Kadyrov has claimed that pro-Russia forces have surrounded the Ukrainian Army between the settlements of Zolote and Gorskoye.
The footage appears to show multiple vehicles being hit by Ukrainian ordnance in the Kharkiv region of eastern Ukraine.
Images purport to show the moment pro-Russia Luhansk People's Republic militants fire on houses in a village they say they are "liberating."
Images purport to show pro-Russia combatants taking control of trenches held until recently by Ukrainian soldiers.
Images reportedly show Ukrainian Marines pummeling Russian positions with artillery before joking about how the "occupiers" were being hit by "thunderstorms" and "hail."
Images from Ukraine's 30th Mechanized Brigade reportedly show the armed forces taking down Russian military vehicles and soldiers in the trenches in eastern Ukraine.
One lawmaker said he "wonders when we are just going to get the amendment to have a trillion-dollar defense budget because it seems that's where we are going."
The footage also shows Ukrainian soldiers using assault rifles as they fire out the windows of the severely damaged building while also taking fire.
Footage reportedly shows Russia launching two high-precision missiles at military infrastructure in Ukraine from the Black Sea coast.
The Russian self-propelled artillery unit was located hiding among some trees before Ukrainian forces struck.
Images purport to show a Russian Tor-M2 air defense system conducting operations in Ukraine, successfully detecting an incoming drone and firing a missile to take it out.
Images released by Russian military officials purport to show one of their fighter jets firing on Ukrainian targets.
Ukrainian artillery reportedly hit a hangar on a farm that was housing Russian armored vehicles.
Footage released by Ukrainian military officials reportedly shows Russian artillery being hit by Ukrainian ordnance.
Images purport to show forces of the pro-Russia Donetsk People's Republic (DPR) firing salvos from multiple rocket launcher vehicles at Ukrainian positions.
A study author argues that the case is not quite closed and further digging is required.
Finland's armed forces chief General Timo Kivinen has said that the country is prepared to fight Russia if attacked.
Footage obtained from Kadyrov purports to show Chechen special forces carrying out operations in eastern Ukraine.
Insignia bearing the flag of Ukraine alongside a kangaroo can be seen being put on the military vehicles.
The Russian Ministry of Defense said that the images show the "destruction of Ukraine's manpower and military equipment by the Russian Armed forces in Ukraine."
Pro-Russia separatists say that Ukrainian attempts to break through their lines have so far failed.
Video shows debris from what military officials claim was a tactical missile fired by Ukrainian forces into the village of Horoshee.