Ukraine's prime minister, visiting NATO headquarters, says he's asked the U.S-led defense alliance to do more to help his country's military, which faces a pro-Russian insurgency in the east.

Prime Minister Arseniy Yatsenyuk said he asked NATO's secretary general, Jens Stoltenberg, during their meeting Monday for assistance in shaping a new defense and national security strategy for Ukraine.

Yatsenyuk told reporters "we asked for additional support" for Ukraine's Department of Defense and Department of Homeland Security "to improve the stance of the Ukrainian military and the National Guard."

He gave no specifics and Stoltenberg did not comment on NATO's reply to the request. After visiting NATO, Yatsenyuk was to attend the inaugural meeting of the Association Council between Ukraine and the 28-nation European Union.