NEW : ` ` Countermeasures '' failed to deploy during test . Missile launched from Alaska ; interceptor launched from California . Shield operators have long claimed previous tests did n't detect decoys . President - elect Obama has said he 'll support missile defense measures if they work .
NEW : `` Countermeasures '' failed to deploy during test . Missile launched from Alaska ; interceptor launched from California . Shield critics have long complained previous tests did n't involve decoys . President-elect Obama has said he 'll support missile defense systems if they work .