 A study called "The Year of the Drone" published in February 2010 by the New America Foundation found that from a total of 114 drone strikes in Pakistan between 2004 and early 2010, between 834 and 1,216 individuals had been killed.About two thirds of these were thought to be militants and one third were civilians.On 28 April 2011, U.S. President Barack Obama appointed General David Petraeus as director of the CIA overseeing the drone attacks.