The LLU 7×57 launcher is a seven-barrel launcher which fires 57mm caliber missiles to destroy targets in the air and on the ground (airplanes, vehicles, warehouses and other military facilities), as a weapon of a modern airplane and is installed on helicopters and planes.
The Lancer in question is used to launch BR-1-57, BR-2-57 and S-5M missiles (destructive missile, cumulative missile, partially-cumulative missile).
The rockets are launched from launch barrels (with open rear ends) which are positioned in the form of a honeycomb structure rocket package.