Aerospace Department Chairman Association的用法和样例：
- He works in the Aerospace Department.
- Dr.Feil currently serves as Emergency Department Chairman of Lakeview Hospital in Farmington, Utah.
- Mr Hu met the KMT's departing chairman, Wu Poh-hsiung, in 2008.
- She is determined to prove to the viciously cynical department chairman that “the unexplained” really exist and really happen.