Interceptor test may push missile defense forward.

AuthorKenyon, Henry

The Missile Defense Agency in its long-time quest to shoot down intercontinental ballistic missiles scored a success May 30 when the ground-based mid-course defense system's kill vehicle directly collided with its intended target.

As the first major demonstration of the system in more than three years, and the first to be declared a success since 2008, experts interviewed now say the agency appears on course to meet its acquisition targets for interceptors and ground infrastructure.

In the long term, this may also mean additional budget increases for interceptors, sensors and ground facilities, they added.

This includes a budget request to expand the current ground-based interceptor fleet from 32 to 44 by the end of 2017. The Trump administration has also requested $7.9 billion for missile defense in fiscal year 2018, slightly higher than the agency's $7.5 billion request.

Missile Defense Agency Director Vice Adm. James Syring testified before Congress in June prior to his retirement that the agency will also deliver a total of 36 Standard Missile (SM)-3 Block IBs to the Navy in 2018 for use aboard ships and at the Aegis shore-based site in Romania. The agency also plans to deliver an additional 52 Terminal High Altitude Area Defense (THAAD) interceptors to the Army. While the Aegis-guided standard missile and THAAD systems have been expanding, they are designed to hit short- and medium-range missiles rather than intercontinental ballistic missiles.

The mid-course system is intended to intercept incoming warheads in earlier phases as they travel in space, which presents the most flexible option to counter a limited attack.

The May test demonstrated the capabilities of the new CE-II Block I Exo-Atmospheric Kill Vehicle and a new three-stage booster rocket. The agency has been steadily increasing its ground-based interceptor fleet, with 16 delivered to Northern Command between 2015 and 2016, Syring told Congress.

The agency will begin deliveries of nine of these new kill vehicles with new thrusters and three-stage boosters in 2017, he said. Funds were also spent to refurbish and expand the missile field at Fort Greely, Alaska, with six additional silos.

One of the system's key challenges has been the development of the kill vehicles, which have gone through several iterations since the interceptors were initially deployed. While the agency is building its fleet up to its initial operating levels, it has several different versions of the kill...

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