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We are focused on their breech of their nonproliferation obligations and we are focused on their failure to conform to the IAEA requirements with respect to their enrichment procedures and that is the focus of the sanctions nothing more, it's not to do with politics of their country it's not to do with their election, it is focused on their violations of the NPT and their refusal to comply and their movement towards the development of nuclear capacity, we will stay focused on that with a laser beam and I believe we are talking about sanctions that whether you use the word biting, crippling whichever they're gonna have an impact.
Active sensors are conceptually of two types, imaging and non-imaging.
In MASINT, the active signal source can be anywhere in the electromagnetic spectrum, from radio waves to X-rays, limited only by the propagation of the signal from the source. X-ray sources, for example, must be in very close proximity to the target, while lasers can illuminate a target from a high satellite orbit.
The SBIRS Low program is expected to consist of about 24 satellites in low earth orbit. The primary purpose of SBIRS-low is tracking ballistic missiles and discriminating between the warheads and other objects, such as decoys, that separate from the missile bodies throughout the middle portion of their flights. It has two major sensors which it must coordinate with an on-board computer:
* a scanning infrared sensor, which is to acquire ballistic missiles in the early stages of flight.
* a tracking infrared sensor, which is to follow missiles, warheads, and other objects such as debris and decoys during the middle and later stages of flight. The tracking sensor will be cooled to very low temperatures.
SBIRS Low's original deployment schedule was 2010, the date when its capabilities are needed by the National Missile Defense System. The first SBIRS Low satellites need to be launched in 2006 if full deployment is to be accomplished by 2010.