silica

阿富汗:
#1: 靠近第一個 M-11 missile 附近, 旁邊小路往上走到底
#2: After encountering the 1st heavy armor guard in the mission (acutscene plays showing him walking out of a door), kill him and all theguards and search the platform area. It's up past a short set of stairsat the back of the platform.
#3: In the area just outside of Brian Hick's cell, go all the way to the back to get this one.

伊拉克:
#1: 爬上梯子準備幹掉 Ali Youseff'sLieutenant的直升機前，先別上梯子，在地上附近可以找到手提箱
#2: 目標為摧毀碉堡時,一路向前殺到有一堆帳棚的地方，面對一面大牆，右上角的帳篷外
#3: In the final area of the mission before meeting Ali Youseff, thereare some metal platforms with guard on it. Kill them all, climb up thesmall steps to the 2nd level of the platform, and then the ladder tothe 3rd level to find this.

航母:
#1: On the main deck of the ship after you land, run towards behindcontrol tower and then to the right to find this on a platform on theside of the ship.
#2:用飛機炸門的地方， 門附近的導彈牆邊
#3: In the final hangar, after activating the missiles to sink theship, look around at the back right of the hangar to find a basketballcourt. It's behind the basketball hoop closest to the hangar wall.

中國:
#1: 到達水庫之後打開第一個水閘門的開關處，對面的屋子附近
#2: 到達村莊合作狙擊掉2個守衛後走右邊的小路，第一棟屋子的2F
#3: 本關卡唯一的背對背射擊後，先不要進入工廠，向左走會看到一個綠色大貨櫃，就在貨櫃旁

邁阿密:
#1: After the gates to the luggage area are opened, you have to run tothe 2nd floor to operate a control panel. There's an office rightbefore the control panel, search around the back of the office to findthis.
#2: On the 3rd floor of SSC tower where you have to jump onto the lift,ignore the lift and keep running forward to the back of the floor tofind this. It's directly opposite and across the staircase that youcame up on.