Alion Science and Technology, a global engineering, technology and operational solutions company, announced that Ron Crocker has joined the company to enhance GSA communications and provide strategic management of several of Alion’s GSA indefinite delivery/indefinite quantity (IDIQ) contract vehicles. In this role, Crocker will develop and strengthen Alion’s relationships with customers served by the company under contracts that include several GSA schedules and the $50 billion Alliant contract.