air-defense unit 防空部队
civil defense unit 民防队 ; 民防单位
air defense unit 防空部队
air defense firepower unit 防空火力单元
So both the traditional and non-traditional business lines of the defense unit were endangered.
FORBES: Boeing's Defense Turnaround
Giuliano, 55, joined ITT in 1988 as vice president of the defense unit before becoming ceo in February 2001.
FORBES: Muckraker
Camera-shy and soft-spoken, Giuliano, 55, joined ITT in 1988 as vice president of the defense unit before becoming chief executive in February 2001.
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