Yes, remote control drone operations are crucial for military success in that they provide the US with ways of attacking its enemies without putting the lives of US soldiers at risk. Unlike many think, the drones are always manned by pilots by remote, but these pilots are never in the danger a pilot on site would be.
Yes, remote-control warfare is crucial for military success because of a drone's accuracy and lack of risk to pilots or ground troops. It has also been successful for the U.S. in taking out high-ranking Al Qaida members. There have been instances where drones have taken out civilians, but these unfortunate casualties aside, a drone's benefit far outweighs the consequences.