美国国防部部长 meaning in English

pentagon chief
united states secretary of defense

U . s . defense secretary robert gates says american forces face more tough fighting in iraq as they go into areas they have not been for some time
美国国防部部长盖茨说，随着美军进入过去已经有一段时间没有进入的地区，他们在伊拉克面临更加艰苦的战斗。
Gates said they did not offer a timetable for ending the military offensive , but he said the united states will continue to provide turkey with intelligence useful in tracking pkk targets
在布什讲这番话不久之前，美国国防部部长盖茨在安卡拉亲自向土耳其领导人传达了同样的信息。