The third Space Based
Infrared Systems (SBIRS) Highly Elliptical Orbit (HEO) payload was shipped
June 12 to the host space vehicle program. The HEO payload is a high-tech
space-based sensor capable of detecting missile launches around the globe.
The payload will be integrated with a host spacecraft and prepared for
launch.
Prior to shipment, HEO-3 passed many significant production milestones. The
payload completed Thermal Vacuum Chamber testing March 30, verifying
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