Passage: On 1 November 2013, a senior Taliban source confirmed that a US drone strike in Pakistan killed Mehsud in the village of Dande Darpa Khel in North Waziristan. Dande Darpa Khel was the site of the Dande Darpa Khel airstrike in 2008. The drone strike also killed two other militants, along with his uncle and cousin.

Question: what device carried out the strike?
drone