Where can I watch Eye in the Sky in United States?

A UK-based military officer in command of a top secret drone operation to capture terrorists in Kenya discovers the targets are planning a suicide bombing and the mission escalates from “capture” to “kill.” As American pilot Steve Watts is about to engage, a nine-year old girl enters the kill zone, triggering an international dispute reaching the highest levels of US and British government over the moral, political, and personal implications of modern warfare.