Assassination of a Hamas Commander | SOFREP:
The Alpha (Alfa) Group (also known as Spetsgruppa A) is an elite Russian dedicated counter-terrorism unit that belongs to the Spetsnaz (special-purpose forces) of the FSB, or more specifically the "A" Directorate of the FSB Special Operations Center (TsSN).
via Weapon and Technology: Top 10 Elite Forces of World.