Best wishes for a successful launch and flight.
Thanks. SBIRS 1 is positioned on the equator just west of Australia over the Indian Ocean. SBIRS 2 is positioned on the equator just west of Africa over the Atlantic Ocean. For missile tracking, stereo viewing using two satellites is required for position determination. The first two were put in position to cover the hot spots of the world, N. Korea, China, Russia and Middle East region.
The SBIRS 3 will initially be placed in GEO orbit on the equator over South America, south of Colorado where it will undergo on-orbit sell-off testing. It will then undergo a transfer orbit maneuver to it’s final orbital position. If everything goes well, that is.