An aerospace and defense technologies company is embarking on a $5 million expansion project at its Beavercreek facility. Orbital ATK confirmed Tuesday it will expand the Greene County production facility by 40,000 square feet in 2017 and 2018. When the project is completed, the building will extend to 215,000 square feet. The planned expansion is a result of existing aerospace and defense work being transferred from the company's Clearfield, Utah facility, and a $90 million contract to supply…