 Cowley thus lobbied the legislature in Maryland to purchase helicopters for the transport of trauma patients to expedite their arrival to these higher-care facilities.The Maryland legislature initially denied his request, due to the cost of helicopters, but he was subsequently able to persuade the State of Maryland to purchase helicopters by agreeing to the premise they be shared with the Maryland State Police.Today, almost all major trauma centers in the United States utilize helicopters to transport trauma patients to the hospital.