[6] On 5 July 2014, 15 separatists on 2 small watercraft landed on the coast of the Sea of Azov in Siedove near a maritime observation post of the detachment and attacked the post with small arms and mortars killing a guardsman of the detachment (Oleksandr Volodymyrovych Kovalev) and wounding eight more, after a fierce battle, the separatists were forced to retreat.

[8] On 31 July 2014, during the Battle at the border, a separatist sabotage and reconnaissance group attacked the detachment's position near Vasylivka with mortars and grenade launcher, as a result of which, four soldiers of the detachment (Oleksandr Oleksandrovich Basak,[9] Oleg Volodymyrovych Parshutin,[10] Chernomorchenko Rostislav Oleksandrovych,[11] Yurii Volodymyrovych Filippovskyi[12]) were killed in action and eleven more were wounded.

[13] On 14 August 2014, the bridge in Uspenka was attacked by separatists coming from Stepne at night resulting in the death of a guardsman of the detachment (Dyumin Roman Viktorovych) and wounding of several more.

[17] Lieutenant Colonel Dominyuk Leonid Anatoliyovych, head of the commandant's department of the Donetsk border detachment of was killed in action on 17 April 2022 during the Siege of Mariupol.

[29] The Hart Brigade has been actively engaged in combat against Russia, including repelling the Russian assault on the city of Vovchansk (Kharkiv region).