It wasn't a combat action, no battle, just a hellfire execution short on paperwork.

#18 | POSTED BY SITZKRIEG

With authorization from Congress. Congress initially authorized war against Al Qaeda and the Taliban in its 2001 Authorization for Use of Military Force, or AUMF, and the Obama administration continued to rely on that while also developing clear guidelines, oversight and accountability in the use of Drones and was later codified in Presidential Policy Guidance.

And I am sure you remember that this was new tech that was not fully developed or available before and as Obama himself said: "This new technology [drones] raises profound questions " about who is targeted, and why; about civilian casualties, and the risk of creating new enemies; about the legality of such strikes under U.S. and international law; about accountability and morality."