SDVOSB CERTIFIED· DEFENSE R&D· WARFIGHTER PERFORMANCE· UEI LA2LYU7XDKU5· CAGE 1Z2Y2· NAICS 541715· SAM.GOV ACTIVE· U.S. PAT. APP. 64/026,797·
AMDPP · CYCLE ACTIVE
LethalOS · ENGINE NOMINAL
VANTAGE · INTEGRATION READY
S-RAS, LLC DBA LETALUS
SDVOSB CERTIFIED
U.S. Pat. App. 64/026,797
For Close Combat

Human
Lethality.

We define it. We measure it. We build it.

The DoW has never defined human lethality. What it cannot define, it cannot measure. What it cannot measure, it cannot build. For the close combat fighter, lethality is presumed and left to chance. LETALUS ends the guessing.

0
Close Combat Fighters
Active DoW Force · Presumed Lethal
540
Rounds A Year Is The Standard
3 hours a week in LUDUS.III delivers 25× that. The time already exists in the training calendar.
0
To Assess a Full Battalion
LUDUS.III · No Range Reset · No Human Scoring
The Problem
The Most Sophisticated Weapon
on the Battlefield Is Never Measured.
Commanders deploy, assign, and risk the close combat fighter on assumptions. LETALUS replaces command assumptions with mission capability facts.
01
No Definition.
The DoW never defines human lethality. What is not defined cannot be measured. What is not measured cannot be developed. Every dollar spent on lethality development for America's close combat fighters rests on untested assumption.
02
No Development.
Commanders certify warfighters annually with methods that predate the Civil War. Qualification produces a binary irrelevant output. No baseline. No trajectory. No degradation curve. No prediction. The additive model assumes maximum human lethality at all times. The DoW's own scientists show this is false.
03
The Reformation Skips the Human.
The DoW has invested significantly in lethality measurement. JMAP. S.P.E.A.R. Conflict Kinetics. None score the Recognition domain. None close the AMDPP cycle. None feed the commander a prescription. The investment produced flawed sport measurement without human lethality development.
The intellectual foundation is published. Read the paper →
The Structural Failure
The institution certifies the qualification.
It has never measured lethality.
Zero domain diagnostic data. Zero prescriptive output. Zero trajectory. The DoW built measurement infrastructure for linguists, aviators, and nuclear operators. It built none for the close combat fighter.
Three Structural Failures
Wrong Organ. Wrong Geometry.
Wrong Clock.
FAILURE 01
Wrong Organ
Weapons qualification assesses the prefrontal cortex under static conditions. Close combat requires basal ganglia-resident automaticity. The stress response correctly suppresses prefrontal function when the fight begins. The institution certifies the organ the body shuts down when it matters.
FAILURE 02
Wrong Geometry
The qualification target is nearly ten times larger by area than the anatomical zone that determines incapacitation. A kneecap hit and a cardiopulmonary zone hit score identically. When the Marine Corps required hits on anatomically defined lethal zones, the expert rate fell from 65 percent to 20–30 percent. The shooters did not become worse. The measurement became honest.
FAILURE 03
Wrong Clock
TC 3-20.40 Appendix H encodes a 3-second engagement window at CQB distances. Mandatory qualification appendices governing the entire force provide 5 to 16 seconds at the same distances. The Army published the correct temporal standard and declined to apply it. Qualification certifies performance at three to five times the operational clock. Whatever it measures, it is not the close combat fight.
The Uninstrumented Node
The Last Node.
The human warfighter.
Anduril builds the platforms. Palantir connects the networks. Shield AI flies the machines. Every machine node is measured, ranged, and logged. The final node in every kill chain is our human, the only one unmeasured. Human lethality is leader inference. DRRS is leader assertion. LETALUS makes it fact.
What We Do
We Build Fighters.

Training is rote foundation. Introductory tasks. Training licenses capacity. Practical application is the engine that develops capability.

We develop the capability of human lethality, forged through practical application until recognition and precision run without deliberation. We measure the fighter, diagnose what to develop, prescribe the application, and drive the progression as capability compounds. The NCO trains. We are human lethality developers.

The Definition
Λ = CLI / SVI

Lethality is the capacity to produce incompatibility with continuance. At the human level: the ability to incapacitate a target within the imposed constraints. The logical consequence of this definition demands three domains.

R
Recognition
The fighter resolved the target automatically through basal-ganglia-resident pattern recognition, not conscious deliberation. No decision executes at combat tempo. The classifier resolves each contact to foe, protected person, or target. Foe engagement and protected-person inhibition are independently scored as a non-compensatory construct.
CRI · GAL · GTL · NRI
P
Precision
The fighter delivered an incapacitating hit. Precision is the expression of Recognition. The motor program executes accurately against the correctly identified object. Scored by anatomical zone, weighted by incapacitation probability, adjusted by engagement distance.
LZHP · NQI · MPS · TCI
S
Speed
The fighter acted within the imposed constraints. Speed is not a trained capacity. It is the emergent output of Recognition and Precision reaching unconscious competency simultaneously.
NSS · T-FST · PST
Products
The Architecture.
Three integrated products. One patented engine. One mission: deliver human lethality as a measurable, developable, commander-actionable capability.
Decision Intelligence Engine
LethalOS
LethalOS is decision intelligence. Hardware agnostic. It ingests instrument data from the arena and institutional records from existing data infrastructure, returning action intelligence to commanders.

LethalOS includes an assessment layer: physical measurement of baseline and ingestion of individual records from the institution of assignment, before a single round is fired. LethalOS includes a prescriptive layer converting deficit signature to developmental intervention for the individual and the leader. LethalOS learns, becoming more accurate with dataset growth. Identifying humans ideally suited for close combat before they are fully developed.

Objective measurement. Automaticity development. At scale.

  • Full AMDPP cycle | Assess · Measure · Diagnose · Predict · Prescribe
  • Patented decision architecture | 8 architecture boxes · U.S. Pat. App. 64/026,797
  • Data infrastructure | Integrates with existing service data systems
  • Four-quadrant diagnostic | Foundation · Misdirected · Fragile · Combat Ready
  • Collective formation intelligence | Who is carrying whom, before the field tells you
B2G Military Platform
LUDUS.III
LUDUS.III is the deployable close combat human lethality assessment and development lab. Automated and randomized hostile and no-shoot target array. Zero range reset. Continuous throughput.

LUDUS.III delivers 25X the development volume against anatomical incapacitation zone measurement, under synthetic operational load, full Recognition demand, instantly indexed. Unit reports populated in real time. Every iteration produces a tailored, relevant, timely prescriptive intervention.

Certification is a snapshot. Development is a trajectory. LETALUS delivers quantified human lethality.

  • Command level | Team through Division
  • Throughput | Battalion assessed in two operational days
  • Serves | Ranger Regiment · Special Forces · USMC · Army Infantry BCTs
  • End state | Organic to battalion · Forward staging areas · Perpetual operation
Hardware Division
TANGO Targets
TANGO is the unlock. Every range needs a human to reset the target, score the hit, and watch the shooter. TANGO needs none.

Autonomous shooter identity resolution. Zero reset time. Real-time data streaming directly into LethalOS. Without TANGO, none of this exists at throughput.

  • TANGO 03.11N | Non-lethal
  • TANGO 03.11L | Live fire
  • Architecture | Identical electronics and firmware across both platforms
  • Components | No ITAR-controlled components
The Differentiator
Every prior program stops at measure.
We close the loop.
The Cycle
Assess. Measure. Diagnose.
Predict. Prescribe.
Every prior program produces measurement and stops. LethalOS closes the loop: from institutional record, through live measurement, through individual diagnosis, through trajectory prediction, to executable prescription. No prior program completes this cycle.
00 · ASSESS
Assess
Before a single round is fired, LethalOS ingests existing records from the institution of assignment. No fighter enters the arena cold.
INSTITUTIONAL INPUT LAYER
01 · MEASURE
Measure
Live instrumented session in LUDUS.III. Recognition, Precision, and Speed scored independently and in real time. Where every prior program stops.
02 · DIAGNOSE
Diagnose
Domain deficit signature analysis. Four-quadrant diagnostic placement. The distinction between deficit types determines the intervention.
03 · PREDICT
Predict
Individual development trajectory. Formation resilience projection. How long this fighter holds under sustained contact.
04 · PRESCRIBE
Prescribe
Individual development directives derived from domain deficit signatures. The prescription is algorithmically enforced. No data science support required.
Integration
Palantir VANTAGE
Integration.

LethalOS integrates directly with existing service data infrastructure. The Assess layer ingests individual records before any live measurement occurs. AMDPP output and raw performance data feed back into the same infrastructure. Human lethality by fighter, by unit, into digital records commanders already own.

This is not a parallel system. It is the measurement layer the commander never had.

Data Architecture
VANTAGE
→
LethalOS ASSESS
LIVE SESSION
→
LethalOS MEASURE
DIAGNOSE · PREDICT
→
PRESCRIBE
AMDPP OUTPUT
→
VANTAGE
COMMANDER VIEW
→
EXECUTION
About

Jose A. Garcia is the Founder and CEO of S-RAS, LLC. A retired Sergeant First Class, U.S. Army Infantry combat veteran.

Garcia is a U.S. Army Distinguished Shooter and directed a competitive military marksmanship program that produced seven national championship wins and over twenty Distinguished Shooters. The construct of human lethality as a measurable, developable capability is tacit knowledge, produced from inside the phenomenon by a practitioner who built it, scaled it, and institutionalized it.

Lanchester measured forces. Dupuy measured weapons. Boyd mapped conflict. The science of quantified warfare never measured the man. Garcia does. In defense tech, the Goliaths build the weapons, the networks, and the kill chain. None of them develop the man at the end of it.

We deliver Recognition, Precision, and Speed in every close combat fighter, at scale.
Legal Entity
S-RAS, LLC
Wyoming LLC operating in California
UEI LA2LYU7XDKU5 · CAGE 1Z2Y2
NAICS 541715 · SAM.gov Active
Certifications
SDVOSB
Service-Disabled Veteran-Owned Small Business
Certified · SBA certifications.sba.gov
Intellectual Property
Patented
U.S. Patent Application No. 64/026,797
Filed April 2, 2026 · Priority date established
35 claims · Complete AMDPP architecture
TRL Status
TRL 4  ·  KRL 6
LethalOS: functional MVP · AMDPP cycle architecture complete
TANGO 03.11.1 + 03.11.2: design complete · pre-fabrication
Foundational preprint published · SSRN · 2026
Contact
We Own
The Fight.
S-RAS, LLC is pursuing government contract funding through ONR BAA N0001425SB001, USSOCOM BAA HT9425-23-S-SOC1, and the DEVCOM Soldier Center BAA W911QY-25-R-0023. Program officers, prime contractors, and institutional partners working in the close combat lethality space: contact us.
jose@letalus.io
S-RAS, LLC DBA LETALUS
Orange County, California · United States
SDVOSB Certified  |  U.S. Pat. App. 64/026,797
UEI LA2LYU7XDKU5 · CAGE 1Z2Y2 · NAICS 541715 · SAM.gov Active