The types of massive troop deployments of the Iraq and Afghanistan wars are becoming dangerous as attack drones become a ubiquitous presence on battlefields, the head of U.S. Southern Command said on Tuesday.

“I think we need to make ourselves a smaller target,” said Marine Gen. Francis Donovan. “We have to be harder to be detected, hit.”

Click here to read more: Drones could mean the end of sprawling bases seen during Iraq and Afghanistan Wars