Corrected from prior 54-satellite value, which belongs to the Tranche 2 Tracking Layer rather than the Transport Layer. Count is program-level planning baseline and should be reconciled against awarded Alpha/Beta/Gamma variants.
9 forecast rows linked to this constellation.
| Forecast entry | Year | Satellites | Orbit | Vehicle | Manufacturer | Mission | Launch likelihood |
|---|---|---|---|---|---|---|---|
| PWSA Tranche 2 Transport Layer Alpha - Northrop Grumman order |
0 linked spacecraft shown.
| Spacecraft | Status | Orbit | Launch date |
|---|---|---|---|
No linked spacecraftNo spacecraft rows are currently linked to this constellation. | |||
No spacecraft rows are currently linked to this constellation.
| 2026 |
| 38 |
| LEO |
| TBD |
| Northrop Grumman |
| Communications |
| 4.6 / 5 |
| PWSA Tranche 2 Transport Layer Alpha - York Space Systems order SDA T2TL Alpha award: York Space Systems to deliver and operate 62 Alpha space vehicles in eight orbital planes. | 2026 | 62 | LEO | TBD | York Space Systems | Communications | 4.6 / 5 |
| SDA T2TL-A SDA T2TL-A (x12) | 2026 | 12 | LEO | Falcon 9 FT5 | TBD | Communications | 4.6 / 5 |
| SDA T2TL-B SDA T2TL-B (x12) | 2026 | 12 | LEO | Vulcan Centaur VC4S | TBD | Communications | 4.6 / 5 |
| SDA T2TL-C SDA T2TL-C (x12) | 2026 | 12 | LEO | Falcon 9 FT5 | TBD | Communications | 4.6 / 5 |
| PWSA Tranche 2 Transport Layer Beta - Rocket Lab order SDA T2TL Beta third award: Rocket Lab National Security to deliver and operate 18 additional Beta spacecraft in two orbital planes of nine satellites each, launching no later than July 2027. | 2027 | 18 | LEO | TBD | Rocket Lab | Communications | 4.6 / 5 |
| PWSA Tranche 2 Transport Layer Gamma - Tyvak order SDA T2TL Gamma award: Tyvak Nano-Satellite Systems, a Terran Orbital company, to build and operate 10 Gamma prototype satellites, with delivery for launch scheduled to begin by Q4 FY2027. | 2027 | 10 | LEO | TBD | Tyvak International | Communications | 4.6 / 5 |
| SDA T2TL annual deployment - Falcon 9 Tactical data transport constellation with optical inter-satellite links and Ka-band communications for low-latency, encrypted networking and beyond-line-of-sight support. | 2027 | 41 | LEO | Falcon 9 FT5 | York Space Systems / Rocket Lab / Lockheed Martin / Northrop Grumman / Terran Orbital | Communications | 4.15 / 5 |
| SDA T2TL annual deployment - Falcon 9 Tactical data transport constellation with optical inter-satellite links and Ka-band communications for low-latency, encrypted networking and beyond-line-of-sight support. | 2028 | 10 | LEO | Falcon 9 FT5 | York Space Systems / Rocket Lab / Lockheed Martin / Northrop Grumman / Terran Orbital | Communications | 4.15 / 5 |