Austria, city of Graz, 3rd Ukrainian Front. May 9, 1945. The commander of the fire platoon of the 6th battery of the 160th Army Cannon Artillery Kryvyi Rih Order of the Red Banner brigade, senior lieutenant Ivan Terentyevich Petrenko is in the ranks; next to him is the fighter Alexander Petrenko, his son. Type of artillery installations; on one of them NDP: "CAUCASUS-ALPS". Senior Lieutenant I.T. Petrenko, soldier Alexander Petrenko, deputy chief of staff of the 160th artillery brigade, lieutenant colonel Ivan Evgenievich Kazmirchuk are walking along the city street, talking with local residents.