North Korea viewed the move as as ` ` unpardonable provocation '' Heavy bombers taking part in U.S.-South Korean exercises . `` These ... missions are routine and reiterate the U.S. commitment to the security of our allies and partners , '' Little said . Pentagon : Used to ` ` U.S. commitment to the security of our allies and allies '' B-52s operating from bases on Mt .
North Korea viewed the move as as ` ` unpardonable provocation '' Heavy bombers taking part in U.S.-South Korean exercises . Pentagon : Used to ` ` U.S. commitment to the security of our allies and allies '' B-52s operating from bases on Mt .