The $10-billion U.S.missile defense program involves a combination of systems designed to detect and intercept missiles coming from short,medium and long distances.

VOA: standard.2010.03.26

As in the previous two events, the Navy shot down an Aries rocket simulating a Scud class short to medium range missile.

CENTERFORSECURITYPOLICY: Get On With It: Time To Deploy Sea-Based Missile Defenses

South Korean officials have also said the North is poised to test-fire a medium-range missile capable of reaching the American territory of Guam.

NPR: North Korea Sets Preconditions For Talks' Restart

South Korean Defense Minister Kim Kwan-jin told a parliamentary committee in Seoul that the North has moved a medium-range missile to its East coast for an imminent test firing or military drill, according to the semi-official South Korean news agency Yonhap.

CNN: SHARE THIS