Russia’s jamming of US-provided rocket systems is complicating Ukraine’s war effort

CNN: The effectiveness of the use of US HIMARS missiles in Ukraine has greatly decreased, because. The Russian army uses electronic countermeasures to disrupt GPS targeting.

Although even with a jammed GPS signal, a missile can hit a target, lately HIMARS have become increasingly likely to miss, a Ukrainian source told CNN.

He has information from drone operators on the front lines, and one of them called the disruptions as a result of Russian interference “significant” – he did not notice this until November.

h/t inna