ສຳລັບ ສຫລ ຈະບໍ່ມີ ການຫັນຫຼັງກັບ ໃນການນຳໃຊ້ ເຮືອບິນບໍ່ມີຄົນຂັບ

In his speech Thursday, President Obama defended his administration's use of drones, saying they are the safest way to wage war on terrorists. The administration's use of drones has come under criticism, especially after Wednesday's revelations by the US government that US drone strikes have killed four American citizens in Yemen and Pakistan since 2009. VOA Pentagon correspondent Luis Ramirez reports.