American Science and Engineering [ASEI] has received two service and maintenance contracts worth up to a combined $34.5 million, including a potential $22 million renewal of a service contract with a U.S. government customer to support its their fleet of Z Backscatter Vans (ZBV). The first phase of the U.S. government contract is funded at $18.3 million. AS&E says the contract is the fourth year in a row in support of the U.S. government customer’s ZBV fleet. The other service and maintenance contract is a $12.5 million multi-year from a Middle East government customer to support the OmniView Gantry inspection system, the Z Portal screening system and the ZBV.