"We cannot sit silently by and witness tragedies like the attacks in Paris, knowing the devastating effects the drone program has overseas and at home," said the servicemen, writing of the personal cost to them of carrying out drone attacks, and the ramifications for the war on terrorism of killing innocent civilians.
![Former senior airmen Stephen Lewis (L), Michael Haas (2nd R) and Cian Westmoreland (R) together with lawyer Jesselyn Radack (2nd L) and Staff Sergeant Brandon Bryant take part in a news conference with former United States military drone operators in the Manhattan borough in New York November 19, 2015 Former senior airmen Stephen Lewis (L), Michael Haas (2nd R) and Cian Westmoreland (R) together with lawyer Jesselyn Radack (2nd L) and Staff Sergeant Brandon Bryant take part in a news conference with former United States military drone operators in the Manhattan borough in New York November 19, 2015 - Sputnik International](https://cdn1.img.sputnikglobe.com/img/103053/39/1030533998_0:0:3500:2337_600x0_80_0_0_aa5c3516c4e3ae9c4d11b10c16a0802e.jpg)
"When the guilt of our roles in facilitating this systematic loss of innocent life became too much, all of succumbed to PTSD."
"We witnessed gross waste, mismanagement, abuses of power, and our country's leaders lying publicly about the effectiveness of the drone program."
"We came to the realization that the innocent civilians we were killing only fueled the feelings of hatred that ignited terrorism and groups like ISIS, while also serving as a fundamental recruitment tool similar to Guantanamo Bay."
The pilots said they were motivated to come forward with their concerns in order to raise awareness among the US public about the use and consequences of drones by the US military.
![File photo of demonstrators protesting against the use of drones outside the International Conference on Unmanned Aircraft Systems at the Grand Hyatt Hotel, Tuesday, May 28, 2013, in Atlanta File photo of demonstrators protesting against the use of drones outside the International Conference on Unmanned Aircraft Systems at the Grand Hyatt Hotel, Tuesday, May 28, 2013, in Atlanta - Sputnik International](https://cdn1.img.sputnikglobe.com/img/102731/33/1027313391_0:0:5460:3570_600x0_80_0_0_9f8376fc916765b0fbe798695ed9da73.jpg)
According to an investigation of secret documents by the Intercept, the Obama administration covers up the true number of civilians killed in drone strikes by "categorizing unidentified people killed in a strike as enemies, even if they were not the intended targets."
In Pakistan alone, where US drone strikes have targeted the North Waziristan region on the border with Afghanistan, the Pakistani government estimates that between 2004 and 2013 between 400 and 600 civilians were killed by US drone strikes, and up to 600 people were injured.