A column of armored vehicles rolling into southern Russia’s Kursk Oblast on the third day of Ukraine’s surprise attack into Russia confirms the involvement of one of Ukraine’s best-equipped and fastest-moving brigades: the 80th Air Assault Brigade.

A video that circulated on social media on Thursday depicts a T-64BV or T-80BV tank, a UR-77 mine-clearing vehicles, an IMR-2 engineering vehicle plus BTR-80 and U.S.-made Stryker wheeled armored personnel carriers rolling past a busy Ukrainian mortar crew. All the vehicles are up-armored with anti-drone cages. Infantry crowd the top of the BTR-80.