The 138th Radio Technical Brigade is a Brigade of the Ukrainian Air Force concerned with radar operations in Vinnytsia, Kyiv, Zhytomyr, Cherkasy, Kirovohrad, Poltava, Chernihiv and Sumy Oblasts and is subordinated to the Air Command Center.

It is headquartered in Vasylkiv and operates many radar systems including the P37, P18-"Malachite", 79k6-"Pelikan", 80K6KS1-"Fenix-1".

On 25 February 2017, a soldier of the brigade (Dmytro Oleksandrovich Ponomarenko) was killed by a gunshot while operating a UAV in Verkhniotoretske.

[2][3] On 10 October 2018, a soldier of the brigade (Dronov Serhii Anatoliyovych) was killed as a result of a mine explosion while operating near Hranitne.

[5][6] At the start of the Russian invasion of Ukraine, the brigade defended the Ukrainian capital Kyiv by providing radar coverage and UAV support to Ukrainian Forces during the Battle of Kyiv.