The Trembita is significantly cheaper than Western or Russian cruise missiles, and operates like the V1 flying bombs used by Germany during World War II.

Ukrainians are developing a project as part of a broader strategy to become independent from foreign military aid. This involves the Trembita missile family, one of whose larger models is expected to have a range capable of striking Moscow.

Igor Kirillov, who was named the head of Russia’s nuclear defense forces in April 2017, was under sanctions from several countries including the U.K. and Canada for his role in Ukraine.

Ukraine carried out one of its most audacious operations on Russian soil, killing a top military commander by detonating a scooter on the snowy streets of Moscow.