July 8 (Reuters) - Iran's Revolutionary Guards said they targeted U.S. military sites in Bahrain and Kuwait on Wednesday after the U.S. launched a wave of military strikes on Iran in response to attacks on tankers in the Strait of Hormuz. In the latest blow to the fragile ceasefire agreement, the Islamic Revolutionary Guard Corps said it carried out a joint missile and drone operation against key U.S. military sites in Bandar Salman, Bahrain's Fifth Naval District and Ali Al Salem Air Base in Ku