The US has approved the possible sale of support services and related equipment for Apache helicopters to India for an estimated cost of USD 198.2 billion, the US Department of State said. The Department of State also approved a possible sale of sustainment support for M777A2 Ultra-Light Howitzers for an estimated cost of USD 230 million. The principal contractors for the Apache support services deal will be the Boeing Company and Lockheed Martin, the State Department said.