Born on October 18, 1987 in the city of Chuguiv. In 2004, he graduated from Chuguiv Secondary School No. 8 and entered the Ivan Kozhedub Kharkiv Air Force University (KHAFU).
After graduating from university in 2009, he was sent to serve in the 25th Transport Aviation Brigade (25th BrTrA, military unit A3840) as the shift chief of the radio engineering system of the radio engineering support unit of the communications and radio engineering support battalion. Later, he served in positions directly related to the radio engineering and radar support of both training and combat missions by the brigade.
In July 2024, his unit was seconded to the 137th Separate Marine Battalion (A 3821), which took direct part in the battles in the Kherson, Kharkiv, and Donetsk directions. Before the secondment, he held the position of chief of the radar station of the radio technical support unit of the communications and radio technical support battalion.
In the 137th separate battalion of the Marine Corps, Alexander held the position of chief of the radar station of the battalion's radio technical support unit. As Alexander's comrades say, he was a brave man. He always sought to be where it was most difficult. Despite the position of signalman, Alexander participated in combat operations and in the evacuation of his comrades.
Marital status:
Mother: Kasyanova Tetyana Valentinivna, lives in the city of Chuguev;
Father: Kasyanov Nikolay Nikolaevich, died in 2015;
Brother: Kasyanov Serhiy Nikolaevich, serves in the Armed Forces of Ukraine;
Wife: Kasyanova Tetyana Valentinivna, lives outside the city of Chuguiv;
Son: Kasyanov Vladyslav Alexandrovych, born in 2009.
Son: Kasyanov Danilo Alexandrovich, born in 2015.
Circumstances of death:
While performing combat missions in the Donetsk direction near the settlement of Kurakhove, Oleksandr was seriously injured and on 11/11/2024 was taken to the Dnipropetrovsk Regional Hospital, but on 11/18/2024 he died of acute cardiovascular failure.
Oleksandr was buried on November 21, 2024 on the Alley of Memory in the city of Chuguiv.
During his service, he received a number of awards. According to Order No. 24 of 05.01.2023, Oleksandr was awarded the distinction of the Commander-in-Chief of the Armed Forces of Ukraine, the Honorary Breastplate "Steel Cross".
