Military helicopters are helicopters use by military forces. They can be found in a variety of roles in different militaries of which the tactical airlift mission is the most common. Some militaries also possess attack helicopters and specialist helicopters for specific missions, which include but are not limited to battlefield reconnaissance, CSAR, casevac, airborne command post, anti-submarine warfare and mine-sweeping. Specialist helicopters are operated only by the best-funded and most capable militaries.