ACSV meaning in Governmental ?

The Light Armoured Vehicle (LAV) is a series of vehicles built by General Dynamics Land Systems – Canada (GDLS-C), a London, Ontario based subsidiary of General Dynamics. First entering service in 1976, it has undergone a number of different upgrades and improvements over time which are denoted by different "marks" such as the LAV II, LAV III etc. It continues to form the backbone of the Canadian Army's combat vehicle fleet. The LAV series of vehicles exist in a number of different variants and are used in a number of different roles such as Armoured Fighting Vehicles, Infantry Fighting Vehicles, Armoured Engineer Vehicles, Command Posts, Ambulances, Repair and Recovery vehicles, etc.