Yes Of Course, This Can Go On Forever
"The term we were looking for is “Forward Operating Base” or FOB. The US has many FOBs in Iraq and Afghanistan. The large ones have many tents and other structures where personnel live and work. And all of them need to be heated in the winter, and cooled in the summer. That can take a lot of fuel."
"Pentagon officials have told the House Appropriations Defense Subcommittee a gallon of fuel costs the military about $400 by the time it arrives in the remote locations in Afghanistan where U.S. troops operate."