The battle began on 12 December 1994, when six officers (including two colonels) and 13 enlisted men of the Russian Airborne Troops died in a surprise 9K51 Grad multiple rocket launcher attack on an advancing column of armored vehicles of the 106th Airborne Division and 56th Airborne Brigade.[1] The Russian side immediately retaliated with a helicopter gunship and ground attack aircraft airstrikes on the Chechen positions.[2]