SDA / USSF TRK-76

Flatellite Threat Track Constellation Architect

$397M ROCKET LAB CONTRACT BASELINE

Constellation Config

Walker Delta
Orbital Planes (P): 6
Satellites per Plane (S): 8
Orbital Altitude (h): 550 km
Inclination (i): 53°
MWIR/EO Sensor Half-Angle (θ): 52°

Airborne Threat Injector

Target Latitude: 48° N
TRACKING CONTINUOUS: DUAL-LOCK
SATELLITES IN FOV: 3 Satellites
GROUND RADIUS: 784 km
T+ 04:20 1x Live
Flatellite
MWIR Sensor Cone
Hypersonic Threat
Stereoscopic Beam
Walker 48/6/1 @ 550 km

Tactical Telemetry

VALIDATED
Instant Coverage 98.4% Global target lat
Tracking Gap (Max) 14.2 s Low handoff loss
Stereo Redundancy 2.6x Dual-Satellite LOS
Mean Revisit 1.8 min Target plane interval
LIVE THREAT INTERCEPT & HANDOFF LOCKED
[T+00:00] Constellation initialized in Walker Delta grid.
[T+01:15] Hypersonic glide trajectory Mach 8.5 active.
[T+02:40] Sat-P2-04 acquired primary IR thermal bloom.
[T+03:10] Stereoscopic handoff to Sat-P3-01 confirmed.

Rocket Lab Neutron Manifest

Total Spacecraft Needed: 48
Flat-Pack Stacking (per Fairing): 16 sats
Neutron Launches Required: 3 launches
Constellation Unit Cost: $6.2M / sat
Contract Allocation Used: $297.6M / $397M
Replenishment Reserve: $99.4M
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