Explosions erupted at the enterprise, which develops, produces, and repairs helicopters.While the attack caught the attention of the Moscow public, the Russian authorities hid the details, according to the source. Another operation destroyed a Mi-8 helicopter on July 24 at the Samara Kryazh military airfield in the Samara region, roughly 800 kilometers from the Ukrainian border. The source did not provide further details about the attack. Another Mi-8 helicopter was destroyed at the Samara base earlier on April 17, although HUR did not confirm Ukraine was behind the attack. The Mi-8 is used to transport both the Russian military and civilian government departments.While Ukraine does not have permission to fire Western-made long-range weapons at Russian territory, sabotage operations are commonplace. Both Ukrainian intelligence and partisan groups target Russian infrastructure and military facilities.