They already built a base on Babylon :
en.wikipedia.org...
"Back in June, one of the engineers working on future operations wanted to see all the archeological sites in Iraq," Peters recalled. "Everybody knows this is the cradle of civilization.
There's Babylon, Ur, some pretty famous archeological sites in Iraq."
As bases were closed and troops withdrew from cities, the existing bases need to expand, without infringing on historical sites.
"We need the Iraqi government's permission to expand a camp to house relocated troops," Peters explained. "The government, for a number of reasons, might say no. One of those reasons might be the presence of archeological sites in the area."
Rogers used a digital copy of a 1961 map of Iraq created by the Iraq director of Antiquities and, through a process called rubber sheeting, assigned geographic coordinates to the map. There were 270 different rock monuments, cultural and historical sites.