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SST Portfolio Overview — What Happened to NASA's SmallSat R&D?

The Small Spacecraft Technology (SST) program — now renamed Small Spacecraft & Distributed Systems (SSDS) as of 2025 — is part of NASA's Space Technology Mission Directorate, maturing technologies for CubeSats and SmallSats. This page synthesizes the downstream impact of every SST-funded project — 111 projects investigated, 100% coverage.

Last updated: 2026-04-14 (session 37 — monitoring sweep (no major deltas). Org deepening: Tyvak/Terran Orbital (SDA T1 delivered Sep 2025, T3 $1.1B Dec 2025), Ames (SST→SSDS rename, Starling DSA 5 firsts, Starling 1.5 STM w/ SpaceX, ACS3 details, DUPLEX deploy). NTRS failing 11th session. 51 org pages, 168 linkages, 18 archetypes)


The Bottom Line

~56% of SST projects produced visible downstream impact. Of 111 projects, 27 flew missions, 15 were commercialized, and 20 transitioned to follow-on programs. The other ~44% either had no visible outcome (~40%) or are too recent to assess (4%). For an R&D portfolio, this is remarkably high — over half of all investments generated traceable results.

Outcome Count % Examples
Flew 26 23% CAPSTONE, Starling, TBIRD, ACS3, Lunar Flashlight, PhoneSat, ARKSAT-1, CLICK-A, R5
Commercialized 16 14% Accion TILE, Phase Four RF, Busek BIT-3/BGT, CAPS, Vulcan SDR, SSEP/NGHT-1X, Turion DROID, CISGAM, DiskSat (licensed)
Transitioned 20 18% MIT Lozano→Accion, D'Amico→Starling, USU hybrid→HLS, iSat, Kayhan→TraCSS, Fitz-Coy→SwampSat, Kamalabadi→VISORS, SDSU→FO (FIGARO-FT), UCLA→FO (optomech accel)
No visible outcome 45 40% Thermal/power projects, early-era demos, terminated projects, academic TRL ceilings
Unknown / too recent 4 4% GPDM, Surface Feature Nav, 2 radiators (all completed Dec 2025 or Active)

Session 20: SDSU [106823] and UCLA [106828] reclassified no-visible-outcome → transitioned (both confirmed SST→FO pipeline). LunaNet PNT stack discovered: 4 SST projects from 2020 cycle building complementary cislunar architecture layers connected by Matsko (JPL). All 26 universities now have org pages (51 total). 144 linkages (audited session 24).


What Determines Success? Technology Cluster Matters Most

The single strongest predictor of downstream impact is technology cluster — what kind of subsystem was being developed.

Cluster SST Projects Flew Commercialized No visible outcome Hit rate
Propulsion 23 5 7 7 52%
Communications 18+ 6+ 2 7 44%
GNC / Autonomy 20+ 5 2 10 35%
Thermal / Power / Sensors 15 0 0 13 0%
Structures / Other ~10 3 0 5 30%

Propulsion dominates. 7 of 13 commercialized SST technologies are propulsion systems (Accion TILE, Phase Four RF, Busek BIT-3, Busek BGT, Stellar Exploration, ExoTerra Halo, SSEP/NGHT-1X). Propulsion has a clear commercialization pathway: the SmallSat market needs maneuverability, and there's no legacy supplier to displace.

Thermal/power/sensors never broke through. Zero flights, zero products, zero acquisitions across 15 projects. Every one hit TRL 5-6 and stopped. These are overwhelmingly university-led, and universities lack the flight opportunity pathway that companies access through Tipping Point or Phase III contracts.

Communications had the highest-profile wins. OCSD→TBIRD achieved a 1000× improvement in optical downlink rate (50 Mbps → 200 Gbps). CLICK is demonstrating laser crosslinks. But most comms projects stayed at TRL 5-6 without flying.


Institutional Footprints

NASA Centers as SST Performers

Center Projects Role Org page
Ames Research Center 16 (14.3%) SST program home + primary CubeSat mission house. Swarm networking arc (EDSN→Nodes→V-R3x→Starling). PhoneSat, PACE, OSE-SAT. 2014 propulsion seed batch. ARC
Johnson Space Center 6 Human-spaceflight-adjacent R&D + talent incubator. R5 rapid-reaction CubeSat (flew July 2024). People chains: Lightsey → GA Tech SSDL, Christian → GA Tech autonomous nav. JSC
Goddard Space Flight Center 4 University bridge: RadSat (Montana State, flew 2018), X/S-band comms (Palo/CU Boulder → MAXWELL), FEMTA (Alexeenko/Purdue, 3 SST projects), Mini FTS. GSFC
JPL 4 Deep-space CubeSat pioneer. ISARA reflectarray → MarCO (first interplanetary CubeSats, 2018). Lunar Flashlight (ASCENT green propellant failure, 35 NTRS papers). JPL
Glenn Research Center 2 NASA's EP test facility. SSEP/NGHT-1X co-development with NG, Phase Four RF lifetime testing (1,000+ hrs), 3D-printed CubeSat consortium. GRC
Marshall Space Flight Center 2 Propulsion center. iSat iodine thruster (never flew, 11 NTRS papers), GPDM dual-mode (Active, launch Jan 2026). Built Lunar Flashlight propulsion. Dankanich continuity: iSat PI → GPDM co-author. MSFC
Langley Research Center 2 Enabling tech only: precision ADCS (Fitz-Coy→SwampSat CMGs), COxSwAIN compressive sensing. Both early-era (2013-2016), both TRL 3→5. No follow-on SST projects. LaRC

Each center has a distinct institutional identity. ARC is the sequential capability builder (swarm arc). JPL runs high-ambition one-off deep-space missions. JSC is the talent incubator (people chains to Georgia Tech). GSFC bridges university PIs to NASA flight infrastructure. GRC provides propulsion test infrastructure that underpins commercial viability. MSFC pushes propellant innovation (iodine, ASCENT green). LaRC contributed early-era enabling tech but didn't sustain SST presence. See individual org pages for full analysis.

Universities

University Projects Key Thread Outcome
Stanford 2 D'Amico GNSS → Starling + VISORS 2 transitioned
U Florida 2 CHOMPTT (TRL 9), MOCT → CLICK 1 flew, 1 transitioned
USU 5 Whitmore hybrid → HLS testing 1 transitioned, 4 dead
MIT 4 Lozano electrospray → Accion; CLICK (Active) 1 transitioned, 1 unknown
U Michigan 3 Moldwin Quad-Mag (JGR pub); Rais-Zadeh → JPL 2 transitioned
UIUC 3 Kamalabadi MAS Imaging → VISORS NSF $4.4M 1 transitioned, 2 dead
Purdue 3 Alexeenko: FEMTA + MEMS RCS + distributed attitude 0 (3× TRL ceiling)
CMU 1 PY4 swarm (SpaceX Transporter-10) 1 flew
U Arkansas 1 SSIB balloon → ARKSAT-1 (ISS deploy 2023) 1 flew

University hit rate: 18 of 39 assessable university projects (46%) produced visible impact — below the portfolio average of 56%, primarily because universities produce near-zero direct commercializations. Universities transition at 2.4× the company rate (29% vs 12%) but fly at less than half (12% vs 32%). Session 20 confirmed the SST→FO pipeline as the dominant university transition pathway (n=4: Purdue, Montana State, SDSU, UCLA). The LunaNet PNT stack — 4 SST projects from the same 2020 cycle building complementary cislunar architecture layers — is the most surprising structural finding. See full university synthesis for the 42-project, 26-institution analysis with all 26 org pages now complete.

Top Commercial Performers

Company SST Projects Fed. Footprint Outcome Current Status
Tyvak / Terran Orbital 5 $50M+ NASA Bus provider for PTD 1-4, CPOD Acquired by Lockheed Martin (2024)
Blue Canyon Technologies 5 $160M+ total Starling swarm, HyperXACT Acquired by Raytheon (~$350M, 2020)
Advanced Space 2 $152M+ total CAPS + CAPSTONE NRHO $72M AFRL Oracle cislunar SDA (slipped to 2027), planetary defense expansion
Busek Co. 2 $87M+ total BIT-3 (Artemis 1), BGT green Independent (founded 1985)
Starfish Space 1 (SSPICY) $159M+ fed, $150M+ VC RPOD debris inspection → satellite servicing (7 missions contracted) Fastest SST scaleup: $54.5M APFIT + $52.5M SDA (Jan-Feb 2026), $100M+ Series B
Accion / Revolution Space 1 (TILE) $65M+ VC Electrospray → NanoAvionics flight → MDA SHIELD Rebranded; 51% Tracker Capital
ExoTerra / Voyager 1 (Courier) 13 TechPort projects Halo thruster, 21 SDA Tranche 1 modules Acquired by Voyager Technologies (2025)
Phase Four 1 (RF thruster) 96% DoD-funded ($24.7M fed) Maxwell on 9 sats (5,300+ days), DARPA Otter $14.9M ABEP/VLEO $44M VC, ACO archetype
Stellar Exploration 1 (qual testing) ~$3M total CAPSTONE propulsion + EchoStar delta-v record Independent, bootstrapped
CU Aerospace 1 (DUPLEX) $28.6M total DUPLEX ISS deploy Dec 2025 (dual propulsion) SBIR Pipeline archetype
Tethers Unlimited / CACI 1 (HYDROS) $32M+ First water propulsion in space (PTD-1, 2021) Acquired via ARKA → CACI ($2.6B)

Acquisition Timeline: SST as Defense-Prime Feeder

A striking macro-pattern: 5 of ~15 SST-funded commercial companies (33%) changed ownership within 4 years. The acquirers are defense primes or defense-adjacent strategic investors.

Year Company Acquirer Deal Value Context
2020 Blue Canyon Technologies Raytheon/RTX ~$350M Starling, DARPA Blackjack
2020 Tethers Unlimited AMERGINT→ARKA undisclosed PTD-1 HYDROS payload; bet before first flight
2021 Accion Systems (51%) Tracker Capital part of $42M round TILE electrospray
2024 Tyvak / Terran Orbital Lockheed Martin part of $385M 134+ SDA satellites
2025 ExoTerra Resource Voyager Technologies undisclosed Halo Hall thruster, 21 SDA Tranche 1 modules
2025 ARKA Group (incl. TUI) CACI International $2.6B all-cash Serial acquisition cascade: TUI→AMERGINT→ARKA→CACI

All three PTD commercial partners — Tyvak, BCT, TUI — were acquired within the same 4-year window. The TUI cascade is the most extreme: a $1.34M SST Tipping Point to a company that became part of a $2.6B acquisition chain. Whether this represents success (technology matured and scaled) or leakage (publicly funded tech exits the civil ecosystem) depends on the viewer. See Defense-Prime Acquisition Pattern and Acquisition Cascade archetype.


Maturation Archetypes

Fifteen recurring patterns explain how SST technology reaches downstream impact. See archetypes.md for full details.

# Archetype Exemplar Count
1 Bus Provider to Defense Prime Tyvak/Terran Orbital 3 companies
2 RPOD Dual-Use Starfish Space 2 companies
3 Parallel Climber Turion Space 3 companies
4 People Chain Hesar, Lozano, Welle, Palo, D'Amico, Lauretta, Lightsey, Christian, Dankanich, Fitz-Coy, Kamalabadi, Whitmore 12 individuals
5 Lab-to-Startup Lozano / Accion 1 clean case
6 Defense Prime Technology Licensing NG SSEP/NGHT-1X 1 case
7 Multi-Product Seed Company Busek 1 case
8 Institutional Capability Builder ARC swarm networking 1 center
9 SBIR Pipeline to Production ExoTerra (10 SBIRs → Halo → SDA) 1 case
10 ACO Infrastructure Provider Phase Four + Stellar Exploration 2 companies
11 Quiet Craftsman Stellar Exploration ($3M, no VC, CAPSTONE hardware) 1 case
12 Acquisition Cascade TUI→AMERGINT→ARKA→CACI ($2.6B) 1 case
13 Multi-Program SBIR Convergence GPDM (Rubicon + Espace + MIT SPL, 6+ STMD lines) 1 case
14 SST→FO Pipeline Alexeenko, LaMeres, Sharma, Wong (4 university PIs) 4 confirmed
15 Emergent Architecture Stack LunaNet PNT (UT Austin + UCLA + Caltech + SDSU, Matsko JPL bridge) 1 stack
16 Program Metamorphosis SST → SSDS rename (portfolio evolved faster than name) 1 case
17 Dual-Use Flywheel Starfish ($12M NASA → $310M+ total in 3 yrs), Advanced Space, ExoTerra 3 companies
18 Defense Program Capture Andromeda IDIQ: 7/14 winners STMD-connected (50%), SDA Tranche, DARPA Blackjack 3 programs

Anti-pattern: Academic TRL Ceiling. University-led projects in thermal, power, and sensors consistently reach TRL 5-6 and stall. No commercialization pathway, no flight opportunity, no industry bridge. This affects ~15-20 projects.


People Chains — Technology Transfers Through Humans

The most underappreciated mechanism in SST: knowledge transferring through people who move between organizations.

Person From To Technology
Siamak Hesar BCT X-NAV (SST) Founded Kayhan Space Autonomous GNC/STM → NOAA TraCSS
Paulo Lozano MIT (SST 95548) Founded Accion Systems (SST 106827) Electrospray propulsion
Richard Welle OCSD (SST 11587) DiskSat (SST 106801) Optical comms → flat-plate satellite
Scott Palo GSFC X/S-band (SST 91378) CU Boulder lunar comms (SST 106832) CubeSat radios → lunar PNT
Simone D'Amico Stanford ANS (SST 95519) Starling StarFOX (SST 106822) GNSS relative nav → swarm autonomy
Dante Lauretta ML Asteroid Nav (SST 95600) OSIRIS-REx sample return Autonomous navigation
Glenn Lightsey JSC AR&D Software (SST 91360) GA Tech SSDL → Lunar Flashlight controller CubeSat rendezvous → mission systems
John Christian JSC MEMS IMU (SST 91474) GA Tech Autonomous Optical Nav (SST 155359) IMU swarms → celestial navigation (AAS Fellow)
John Dankanich MSFC iSat PI (SST 91492) MSFC GPDM co-author (SST 155369) Iodine Hall thruster → ASCENT dual-mode (10-yr institutional continuity)
Norman Fitz-Coy LaRC Precision ADCS PI (SST 106813) UF SwampSat (first CubeSat CMGs in orbit) Miniature CMGs → flight demo
Farzad Kamalabadi UIUC MAS Imaging (SST 95523) VISORS PI ($4.4M NSF distributed telescope) Super-resolution imaging → formation flying science
Stephen Whitmore USU Hybrid Rocket (SST 91610) Marshall HLS University hybrid propulsion → human lander

Network convergences: SST people chains converge on at least 4 downstream missions:

Convergence # chains Type Key link
VISORS 4+ External (NSF) Kamalabadi (PI), D'Amico (GNC), GA Tech, Montana State
SWARM-EX 3 External (NSF) Palo (PI), D'Amico (GNC), Lightsey/GA Tech
BeaverCube 2 Internal (MIT) Cahoy (PI, SST CLICK), Accion TILE 2 (SST [106827])
GPDM 3 Internal (NASA) Dankanich (iSat), Lozano (electrospray), Lightsey (AR&D→GA Tech)
LunaNet PNT Stack 4 Emergent architecture Jones (positioning), Wong (sensing), Vahala (timing), Sharma (comms), Matsko (JPL bridge)

Network topology is a star, not a mesh. D'Amico appears in 2 of 4 convergences; Lightsey in 2 of 4 (SWARM-EX, GPDM). Most SST PIs (Alexeenko, Fitz-Coy, Christian, Moldwin, Gamero-Castaño) do NOT appear on other teams' missions. The network works through hub nodes, not uniformly.

GPDM is the first propulsion convergence and the first intra-NASA convergence — the others are all university/NSF missions. It is also the most multi-program SST project, drawing from GCD, CIF, SBIR/STTR, NSTRF, and SST.


Dollar-Weighted Highlights

Metric Value Source
SST program investment (est.) ~$200-300M over 12 years Portfolio aggregate, estimated from project count × avg award
Largest single company fed. footprint $160M+ (Blue Canyon Technologies) USASpending
Largest single project contribution $57.5M (CAPSTONE, Advanced Space) USASpending
Highest leverage ratio (company) $400K SST → $87M+ company (Busek) USASpending
Highest leverage ratio (acquisition) $1.34M SST → part of $2.6B deal (TUI→CACI) Verified acquisition records
SDA production contracts enabled $254M (Terran Orbital T2TL Gamma) SDA press release
Most published SST mission 35 NTRS citations (Lunar Flashlight) NTRS search
Highest-profile science contribution BIT-3 on 2× Artemis 1 CubeSats Busek, NASA manifest
Most NTRS-published heritage chain ISARA → MarCO (first interplanetary CubeSats) 3 NTRS papers + MarCO corpus

Key Missions Timeline

Year Mission SST Tech Significance
2013 PhoneSat 1.0/2.0β COTS avionics First SST flight, $7K/sat
2015 Nodes Inter-satellite relay First CubeSat-to-CubeSat relay
2017 ISARA High-gain Ka-band reflectarray First CubeSat high-bandwidth; heritage to MarCO
2018 OCSD-B/C Optical downlink 50 Mbps 200× improvement over radio
2018 MarCO ISARA reflectarray heritage First interplanetary CubeSats (Mars, InSight relay)
2018 RadSat-g COTS FPGA rad tolerance ISS deploy July 2018; Montana State + GSFC
2021 V-R3x Radio ranging 3-sat ARC PyCubed platform
2021 PTD-1 HYDROS water propulsion First water electrolysis thruster in space (TUI)
2022 CHOMPTT Laser time transfer, TRL 9 Only SST project to reach TRL 9
2022 CAPSTONE NRHO nav, cislunar CubeSat Pathfinder for Gateway (Stellar Exploration propulsion)
2022 Lunar Flashlight ASCENT green propellant (failed) 3D-printed manifold obstruction; 35 NTRS papers
2022 PTD-3 TBIRD Optical downlink 200 Gbps World record; 1000× vs OCSD
2023 Starling 4-sat swarm mesh autonomy Decade-long ARC culmination
2024 ACS3 Composite boom solar sail LaRC deployable tech
2024 DORA Optical receiver, ISS deploy 1 Gbps optical crosslink (ASU)
2024 R5 Rapid 6U on Firefly Alpha JSC rapid-reaction CubeSats (ELaNa 43)
2025 DUPLEX Dual propulsion (MVP + FPPT) ISS deploy Dec 2, 2025 (CU Aerospace)
2025 DiskSat Flat-plate satellite design Launched Dec 2025 (Aerospace Corp)
2026 R5-S10 RPO, WiFi ISL, LCMRS sensor Launched Transporter-16, March 30, 2026 (Momentus Vigoride-7). RPO, event camera star tracker, Wi-Fi ISL via Solstar router

28 SST-originated missions confirmed flown (2013–2026). The pace accelerated: 3 in 2024, 2 in 2025, 1 in 2026 so far, with CLICK-B/C and GPDM pending.

Monitored Active Missions (as of session 34, April 2026)

Mission Status Next milestone Delta (session 30→31)
DUPLEX On orbit (ISS deploy Dec 2, 2025). Both MVP and FPPT thrusters operational. NASA confirmed in-space testing underway 2-year orbit-raising campaign in progress. Awaiting first performance results Updated: NASA confirmed testing started
DiskSat Launched Dec 18, 2025. 4 DiskSats at 550 km. On-orbit characterization: propulsion, solar, 100W peak power testing Orbotic (debris remediation) + Satlyt (edge computing) licensed. Awaiting first on-orbit performance publications No change
R5 series 5 of 10 spacecraft flown (S1 lost, S2/S4/S7/S10 flew). S10 RPO with Momentus Vigoride-7 (Mar 2026). 2 NTRS papers on R5-S2/S4 lessons learned (20250006508, 20250001957) R5-S3/S5 and R5-S9 anticipated 2026. SEOPS won VADR task order for R5-S9 No change
CLICK-B/C Integration complete NET Q2 2026 — mid-April, no launch announcement yet No change
GPDM Assembly/integration. TechPort TRL 4, last updated 2026-01-22. GA Tech SSDL site still shows Jan 5, 2026 target (stale). MIT SPL delivered electrospray hardware Jan 2026 target passed; no new date. TechPort end date: Sep 2026 No change
SSPICY In development (Starfish Space). Late 2026 launch target confirmed Otter launch NET late 2026, inspections begin 2027 No change
VISORS Pre-launch No firm date; targeted 2025, likely slipped to 2026+ No change
SWARM-EX Pre-launch Dec 2026 on ELaNa 59 No change
SCOPE-1 Assembly fall 2026 Launch target 2027 No change
LASSO Phase 1A (DARPA). Solicitation closed Jun 2025. IAA signed Sep 2025. Phase 1A selection targeted Dec 4, 2025 — ~12 months overdue, still not publicly announced. No USASpending results Phase 1A conceptual design → Phase 1B CDR → Phase 2 build ⚠️ Continued silence (likely DARPA OT)
Otter Pup 2 On orbit (launched Jun 2025, Transporter-14). D-Orbit backed out late 2025. New partner announced Mar 26, 2026 — identity still not disclosed. RPO to re-commence in coming months with docking attempt to follow Docking demo pending partner disclosure + RPO resumption No change

Starling 1.5 completed (session 25): Demonstrated autonomous space traffic management (STM) including onboard conjunction assessment and collision avoidance between cooperative swarms.

Starfish Space growth surge (session 27): $54.5M Space Force APFIT (Feb 2026) + $52.5M SDA PWSA deorbit (Jan 2026) + $100M+ Series B (Point72 Ventures). Total federal now $159M+, total VC $150M+. 7 contracted missions. Fastest-scaling company in SST portfolio. See Starfish Space org page.

DiskSat commercial traction (session 28): First commercial licensing agreements signed — Orbotic Systems (debris remediation) and Satlyt (edge computing). Platform transitioning from NASA demo to commercial product.

New NTRS publications (session 29): ARC published "Torrent-Inspired Large File Transfer System for Small Satellite Swarms" (20250008213) — extending Starling swarm networking heritage. JSC published 2 R5-S2/S4 lessons-learned papers (20250006508, 20250001957).

Andromeda SST heritage (sessions 30–31): The $1.84B Space Force Andromeda IDIQ (Apr 7, 2026) for GEO space domain awareness awarded contracts to 14 companies — 3 have direct SST program lineage: Turion Space (SSPICY study), Lockheed Martin (acquired Terran Orbital/Tyvak, 5 SST projects), Northrop Grumman (SSEP/NGHT-1X Hall thruster). Session 31 deep dive mapped all 14 winners against TechPort: 4 additional winners have broader STMD connections (Redwire/Made in Space: 27 TechPort projects via TDM/FO/SBIR; Astranis: 1 SBIR; Intuitive Machines: 2 GCD; BAE Systems: 2 projects). Supply chain link: Starfish Space tested Cephalopod flight SW on Astranis microGEO hardware (FA864923P0561, $1.7M) — connecting 2 Andromeda winners through SST-adjacent RPOD work. Quantum Space founded by Steve Jurczyk (former NASA acting Administrator) and Kam Ghaffarian (also co-founded Intuitive Machines). No TechPort projects for Anduril, L3Harris, General Atomics, Sierra Space, Millennium Space, or True Anomaly.

MDA SHIELD convergence (session 33): Three SST-heritage propulsion companies — Busek, Accion/Revolution Space, and Turion Space — all hold initial orders on the MDA SHIELD missile defense vehicle (Golden Dome). Three independent SST propulsion investments converging on the same DoD megaprogram. See Smallsat Propulsion topic.

BCT production scale (session 33): RTX/Blue Canyon Technologies expanding reaction wheel production from 650/year to 2,400/year. Pandora exoplanet mission (Saturn-200 minisatellite) launched Jan 2026. 160+ spacecraft orders to date.

Org page deepening (session 34): Advanced Space Oracle launch slipped from Dec 2026 to 2027 (Space Force schedule review); +$2M in new awards including planetary defense rapid recon study — expanding beyond cislunar into new mission domains. NG/SSEP: MRV (Mission Robotic Vehicle) robot-armed servicer with 3 MEP customers (2 Intelsat + 1 Optus) eyeing 2026 launch — the NGHT-1X-powered MEP+MRV system scales satellite servicing from 1-at-a-time (MEV) to multi-customer platform. Phase Four: DARPA Otter $14.9M for air-breathing EP at VLEO (90–450 km) — RF thruster's propellant-agnostic architecture enables atmospheric ingestion. Flight heritage now 9 satellites, 5,300+ days on-orbit.

Program rename: SST is now officially SSDS (Small Spacecraft & Distributed Systems) — confirmed by Bruce Yost in Sep 2025 (NTRS 20250009467). See surprise: SST→SSDS rename.


Deck-Ready Findings (Top 7)

The following findings are the most compelling for presentation — each has strong evidence, clear narrative arc, and visual potential.

# Finding One-liner Evidence strength
1 1000× Optical Leap OCSD (50 Mbps, 2018) → TBIRD (200 Gbps, 2022) — world record in 4 years, same SST program confirmed, 2 missions flown
2 Defense-Prime Acquisition Pattern All 3 PTD commercial partners acquired by defense primes within 4 years (BCT→Raytheon, Tyvak→Lockheed, TUI→CACI). SST as defense-industrial feeder confirmed, 3 acquisitions totaling >$3B
3 People Chains Network 12 individuals carried SST knowledge into 5 downstream convergence missions (VISORS, SWARM-EX, GPDM, BeaverCube, LunaNet). Star topology with D'Amico and Lightsey as hubs confirmed, 12 people traced
4 LunaNet Emergent Architecture 4 SST projects from the same 2020 cycle unknowingly built complementary cislunar PNT layers (positioning/sensing/timing/comms), connected by one JPL co-I (Matsko) suggestive, 4 projects + 1 bridge
5 SST→FO Pipeline 4 university PIs transitioned SST research to Flight Opportunities suborbital/HAB tests (Alexeenko, LaMeres, Sharma, Wong) — SST creates the tech, FO tests it confirmed, n=4
6 Technology Cluster Determines Fate Propulsion: 52% hit rate, 7 commercializations. Thermal/power: 0% hit rate, zero flights across 15 projects. Subsystem type is the strongest predictor of downstream impact confirmed, full portfolio
7 $400K → $87M Leverage Busek: two $200K SST seed grants in 2014 → seeded 2 of 4 product lines including BIT-3 (flew on Artemis 1). $87M+ federal footprint, 40-year independent company confirmed, USASpending verified

Honorable mentions: Stellar Exploration "quiet craftsman" ($3M, no VC, built CAPSTONE propulsion), ExoTerra 10-SBIR pipeline to SDA production, Montana State RadPC-on-the-Moon (Blue Ghost 1, March 2025).


Open Questions

  1. Is the academic TRL ceiling fixable? University thermal/power projects consistently stall at TRL 5. Would a structured industry bridge (co-funded with SBIR/STTR Phase III) change the outcome?

  2. Does the defense-prime acquisition pattern serve NASA's interests? SST-matured tech ends up behind defense-prime walls. Does NASA retain access? Do the original PIs stay?

  3. How many "no visible outcome" projects produced invisible outcomes? Student training, unpublished know-how, negative results that steered other programs. The 42% "no outcome" rate (down from 46% after session 11 reclassifications) may still overcount true dead ends.

  4. What's the right portfolio balance? Propulsion hits 52%, thermal hits 0%. Should SST over-weight propulsion, or does the portfolio need frontier bets in thermal/power even if most fail?

  5. Can the SSEP/NGHT-1X licensing model be replicated? Defense-prime co-development without startup risk. Only n=1 in SST — is this scalable?


Organization Pages (51)

Companies (13): Advanced Space | Tyvak/TO | BCT | Starfish | Busek | NG/SSEP | Accion/Revolution Space | ExoTerra/Voyager | Phase Four | Stellar Exploration | CU Aerospace | TUI/ARKA/CACI | Rubicon/Plasma Processes | Espace Inc.

SSPICY studies (4): Starfish Space | Turion Space | Vast Space | Kayhan Space

Universities (26 — complete): MIT | Stanford | UF | UIUC | U Michigan | Purdue | ASU Tempe | UC Irvine | USU | GA Tech | Montana State | CMU | U Arizona | U Arkansas | UT Austin | Caltech | U Maryland | SDSU | UCLA | CO Mines | U Vermont | U Miami | RIT | Cal State LA | U Minnesota | Penn State | U Dayton

NASA Centers (7): ARC | JPL | GSFC | JSC | GRC | MSFC | LaRC