Order for Courage, 2nd class Order for Courage, 3rd class Medal For Military Service to Ukraine Denys Oleksandrovych Vasyliuk (Ukrainian: Денис Олександрович Василюк; 17 January 1993 – 17 May 2024), nicknamed the Flash, was a Ukrainian fighter pilot.

He was a lieutenant colonel in the Ukrainian Air Force.

[4] Denys Vasyliuk was Lieutenant Colonel, First Deputy Commander of the Aviation Squadron.

Between March 2022 and May 2024, he carried out 94 sorties: he destroyed UAVs and cruise missiles, weapons, aircraft and military equipment of the Russian occupiers on the ground, in particular, he launched air strikes on targets on Zmiinyi Island.

At the cost of his own life, he destroyed all the assigned targets and saved his brothers-in-arms at the forefront of defense.