This completely explains itself...
China v. U.S.
-Dalian Plant- Dalian, Liaoning province, Northern China
-Daqing Oilfields- Daqing Field, Heilongjiang Province, China
-Dragon Valley- Central China
-FuShe Pass- Northeast China
-Songhua Stalemate- Songhua River, Heilongjiang Province, China
-Wake Island 2007- U.S. Territory, Pacific Ocean
-Midnight Sun- Valdez, Alaska, USA
-(Frost Bite)- Russia
-(Honor)- Nanning, China
-(Little Big Eye)
-(Hidden)- An island in the South China Sea
-(Special Op)- Northern China
-(Dammage)- The Yangtze River, below the Three Gorges Dam
-(Harbour Edge)- Chinese Coast
China v. European Union
-Great Wall- Northern China
-(Cold Front)- Eastern Russia
-(Russian Border)- Eastern Russia
-(Missile Crisis)- Northwestern China
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MEC v. U.S.
-Gulf of Oman- (likely Oman or Iran)
-Highway Tampa- Arabian Peninsula
-Kubra Dam- Saudi Arabia
-Mashtuur City
-Operation Clean Sweep- Entrance to the Persian Gulf (likely Oman or Iran)
-Road to Jalalabad- Afghanistan
-Sharqi Peninsula- (Sharqi is Arabic for “East”)
-Strike at Karkand- Pakistan
-Zatar Wetlands- Red Sea
-Devil's Perch- Lebanon
-Iron Gator
-Leviathan- U.S. friendly base, Persian Gulf
-Operation Road Rage- East Coast, USA
-Operation Harvest- Lancaster County, Pennsylvania, USA
-(Backstab)
-(Bridge Too Far)
-(Deadly Pass)
-(Full Frontal)
-(The Nest)
-(The Black Gold)
Insurgents v. U.K.
-Night Flight- Syria
-Warlord- Pakistan/Afghanistan
MEC v. European Union
-Operation Smokescreen
-Taraba Quarry- Taraba River, Caspian Sea (fictional)
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Russia vs. U.K.
-Ghost Town- Caspian Sea
Russia v. Rebels
-Surge- Russia
-Mass Destruction- Abandoned industrial facility, Southern Russia