Reposted April 13, 2026MDA (2)U.S. Air Force (2)

2026 DoD SBIR Topics Cancelled & Reposted: 4 Topics Across MDA, U.S. Air Force

Alongside the Navy's 64 cancelled topics, 4 additional SBIR topics from 2 other DoD agencies were removed from DSIP solicitations 26.BX, 26.BZ, 26.TZ in March 2026 — and all reposted on April 13, 2026. RallyProp captured full descriptions, objectives, and Phase I–III details before removal. Browse below or view the active solicitation on DSIP 2026.

Cancellation & Repost Timeline

  • March 24–25, 2026 (Original) — Topics across Air Force, Army, DHA, DARPA, and OSD were set to open but were cancelled/removed from DSIP
  • April 13, 2026 (Reposted) — All 16 topics reposted on DSIP alongside the Navy's 64 cancelled topics
  • Now — View the active solicitation and full topic details on the DSIP 2026 funding page
4
Total Topics
2
DoD Agencies
3
Solicitations
17
Tech Tags

Topics by Agency & Solicitation

MDA2 topics
U.S. Air Force2 topics
26.BX1 topic
26.BZ2 topics
26.TZ1 topic

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64 Navy SBIR topics from the same cancellation wave are covered in a separate guide.

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(17 tags across 4 topics)

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Showing 4 of 4 DoD SBIR topics

MDA26TZ04-NV00326.TZReposting SoonSBIR

Low-Volatility, Reduced-Toxicity Hypergolic Propellants

MDA

AI Summary

This RFP seeks novel hypergolic propellants with reduced volatility and toxicity for missile defense systems. The goal is developing safer, cost-effective fuel alternatives that maintain rapid ignition performance while minimizing hazardous vapor emissions compared to traditional formulations.

This topic seeks novel hypergolic fuels featuring significantly reduced volatility and toxicity compared to traditional hypergolic fuels while maintaining rapid, reliable ignition characteristics essential for missile defense applications. Current DACS systems typically use highly toxic and volatile fuels which, while offering excellent ignition delays and specific impulse, present significant handling and safety concerns. The program desires to explore cost-effective alternative fuels that offer reduced vapor pressures while simultaneously minimizing ignition delays to ensure adequate DACS responsiveness in missile defense scenarios. Candidate solutions might include, but are not limited to: ionic liquids, reaction-driven amines, boranes, and others. Hypergolic fuel blends are also an acceptable alternative so long as they could be justified in terms of miscibility and maintained performance across operational temperature ranges.

Objective

Develop and demonstrate low-volatility, reduced-toxicity hypergolic fuels suitable for Divert and Attitude Control System (DACS) thrusters while maintaining critical performance metrics when paired with standard oxidizers.

DSIP Phase Details Available

Phase IPhase IIPhase III / Dual Use

Full phase descriptions and objectives are available on the topic detail page. Sign up for RallyProp alerts to be notified when these topics repost with complete solicitation details.

Originally Jul 22Expected to repost soon
Full details

AI Summary

MDA seeks an automated cybersecurity control assessment platform that unifies vulnerability scanning and STIG data mapping across cloud, on-premise, and disconnected environments. The solution must eliminate manual correlation work, validate control implementation status, and synchronize assessment data from tactical sites to strategic governance centers.

The Missile Defense Agency (MDA) requires a standardized, environment-agnostic capability to validate cybersecurity controls across its complex architecture. Current assessment methodologies rely heavily on manual data correlation—assessors spend valuable time mapping vulnerability scan results (CVEs) and STIG checklists to RMF controls (NIST 800-53). This manual process is slow, prone to inconsistency, and diverts high-value human capital from analyzing actual mission risk. The Agency seeks an "Assessment Orchestration" solution that can: -Operate Anywhere: Function identically in cloud-native, enterprise on-premise, and disconnected/austere environments, providing a unified data structure regardless of the target's location. -Automate the "Grind": Ingest raw outputs from standard tools (e.g., Nessus/ACAS, SCAP) and automatically map findings to the relevant security controls (NIST 800-53, with extensibility for NIST 800-171/CMMC). -DCO Alignment: Bridge the gap between Assessment (SCA) and Operations (DCO) by validating the implementation status of directed actions (e.g., Cyber Tasking Orders) on the target system. -Data Portability: Ensure assessment data can be securely synchronized from tactical edge environments to strategic governance hubs for aggregation and trend analysis.

Objective

Develop a universal assessment framework capable of automating Control Validation Tests (CVT) across diverse operating environments (Cloud, On-Premise, and Air-Gapped/Tactical). The solution must ingest data from existing vulnerability scanners and automatically correlate technical findings to NIST …

DSIP Phase Details Available

Phase IPhase IIPhase III / Dual Use

Full phase descriptions and objectives are available on the topic detail page. Sign up for RallyProp alerts to be notified when these topics repost with complete solicitation details.

Originally Jul 22Expected to repost soon
Full details

AI Summary

This RFP seeks commercial space and ground-based sensing and analytics to enhance real-time tactical awareness for warfighters. Solutions should integrate data collection, analysis, and delivery capabilities to address gaps in responsiveness and automation that current systems lack.

This topic seeks to rapidly field non-missile-warning, space and/or ground enabled sensing and analytic capabilities that enhance warfighter decision speed. Space Force Components and Combatant Commands increasingly depend on commercially derived, space and/or ground enabled insights, but existing systems lack the responsiveness, automation, and sensing diversity needed for real-time tactical awareness. Adversary advancements and dynamic operational environments have outpaced traditional acquisition approaches, creating critical gaps that Tactical Surveillance, Reconnaissance, and Tracking (TacSRT) is working to solve.   Aligned with the Space Force Commercial Space Strategy, this topic solicits innovative, unclassified concepts across the sensing-to-analysis continuum including data collection, phenomenology exploitation, analytic fusion, and information delivery that can deliver meaningful operational utility within one year. Proposed solutions may introduce new sensing or analytic methods or significantly advance existing commercial approaches. An initial operational capability (IOC) is defined as a functional prototype that provides testable outputs directly to operators.   Solutions may include hardware, software, analytic tools, sensing concepts, data-processing architectures, or integrated workflows. Stand-alone capabilities and service-based models are acceptable, and performers may leverage commercial space-as-a-service or existing commercial space infrastructure. Approaches must deliver timely, operationally relevant insights without requiring government development of new space hardware.   Representative in-scope areas include novel phenomenology sensing, automated exploitation pipelines, multi-sensor fusion, change detection, activity characterization, material or environmental signature analysis, deep maritime or littoral monitoring, rapid-revisit analytics, unconventional sensing approaches, space-to-air or space-to-ground tipping and cueing, high-cadence environmental insight, incorporation of AI/ML, and fusion of structured or unstructured data. Out-of-scope areas include missile warning/tracking, kinetic interceptors, satellite buses, and launch vehicles. The overarching intent is to operationalize commercial capabilities rapidly and ensure warfighters receive meaningful, unique insights at the speed of need. The intent of this effort is not focused on Operational Planning Product (OPP) generation through the Global Data Marketplace but targets a new innovative solution (view Reference 1 for additional context).

Objective

The objective of this Phase I effort is to identify, assess, and demonstrate the feasibility of novel, non-missile-warning space and/or ground enabled sensing and analytic capabilities that can deliver rapid, commercially derived insights with meaningful operational utility. The effort seeks concept…

DSIP Phase Details Available

Phase IPhase IIPhase III / Dual Use

Full phase descriptions and objectives are available on the topic detail page. Sign up for RallyProp alerts to be notified when these topics repost with complete solicitation details.

+1 more
Originally May 6Expected to repost soon
Full details

AI Summary

The DAF seeks a portable, context-aware authentication framework enabling secure identity validation and Zero Trust access control in austere, disconnected environments. This technology addresses operational gaps where traditional CAC and PKI systems fail during expeditionary missions lacking reliable connectivity to centralized identity servers.

Modern DAF operations are increasingly defined by mobility, expeditionary reach, and the necessity to operate in contested or infrastructure-sparse environments. Traditional authentication methods—such as Common Access Card (CAC) and Public Key Infrastructure (PKI)—were designed for stationary personnel within predictable, fixed-network environments. In multi-domain and joint logistics corridors, these legacy dependencies create operational friction, introduce significant access delays, and present systemic cyber vulnerabilities when connectivity to centralized identity providers is degraded or unavailable. To address this critical gap, the DAF seeks the development of Project ATOM (Authentication on the Move): a secure, context-aware, and portable authentication framework capable of validating identity and mission-relevant authorization at the tactical edge. This solution must function independently of static, cloud-based infrastructure, enabling continuous, Zero Trust access control that moves with the warfighter or autonomous asset. The solution may demonstrate capabilities such as - Context-Aware Authentication: Utilizing multi-modal inputs—such as biometric, behavioral, and situational environmental data—to verify identity and authorization levels dynamically; - Disconnected Operation: Maintaining robust authentication and access control protocols in Denied, Degraded, Intermittent, and Limited (DDIL) environments without reliance on persistent backhaul to a central identity server; - Cross-Domain Portability: Ensuring seamless identity and access validation across diverse transportation domains, including Air, Land, Sea, and Space; - Zero Trust Integration: Implementing granular, policy-based access control that adapts to real-time changes in the mission environment and potential adversarial activity; - Resilient Infrastructure: Withstanding harsh expeditionary conditions, including electromagnetic interference (EMI) and limited hardware resources, while maintaining low-latency performance; - Scalable Interoperability: Integrating with existing Department of War (DoW) identity standards and mission-critical applications to minimize friction while maximizing security posture. This topic seeks technologies capable of enabling decentralized identity validation that support modernization efforts outlined in the DAF Zero Trust Strategy and the broader objective of resilient, multi-domain operations.

Objective

The objective of this Phase I effort is to design and demonstrate the feasibility of a dynamic, portable, and context-aware authentication framework prototype for secure identity and mission-authorization in austere, disconnected, or high-mobility environments. This Phase I effort will focus on defi…

DSIP Phase Details Available

Phase IPhase IIPhase III / Dual Use

Full phase descriptions and objectives are available on the topic detail page. Sign up for RallyProp alerts to be notified when these topics repost with complete solicitation details.

Originally May 27Expected to repost soon
Full details

Frequently Asked Questions

Which DoD agencies had SBIR topics cancelled in March 2026?
2 DoD agencies had topics cancelled from DSIP in March 2026: MDA, U.S. Air Force. A total of 4 topics across solicitations 26.BX, 26.BZ, 26.TZwere removed alongside the Navy's 64 cancelled topics.
When did these DoD SBIR topics repost on DSIP?
All 16 topics reposted on DSIP on April 13, 2026, alongside the Navy's 64 cancelled topics. View the full active solicitation on the DSIP 2026 funding page.
Why were these SBIR topics cancelled?
Multiple DoD agencies simultaneously removed SBIR topics from DSIP in the same March 2026 wave. This is likely related to SBIR reauthorization timing. The original open dates were March 24–25, 2026, with close dates of April 22, 2026. Topics were removed before proposals could be submitted.
Can I submit proposals for these reposted topics?
Yes — all 4 topics reposted on DSIP on April 13, 2026. RallyProp captured full topic descriptions, AI summaries, objectives, and technology taxonomy classifications before the original cancellation. View the live solicitation on the DSIP 2026 funding page.
What technology areas do these topics cover?
The 4 topics span 17 technology taxonomy tags across domains including autonomous systems, AI/ML, electronic warfare, unmanned aerial systems, cybersecurity, military working dog biomedical research, logistics, and communications. Use the taxonomy filter above to explore by technology area.
What DSIP fields are available for each topic?
Each topic includes the full description, AI-generated summary, DSIP topic number, objective, and Phase I, Phase II, and Phase III/Dual Use descriptions captured before cancellation. Solicitation instructions, Q&A, contract types, and award amounts are now available in the reposted solicitation. View complete topic details on the DSIP 2026 funding page.

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Browse the Reposted DSIP 2026 Topics

All 4topics — and the Navy's 64 — are now live on DSIP. Browse the full solicitation on RallyProp, or sign up to track deadlines and get alerts on new opportunities.

About This Page

This page contains the complete database of 4 DoD Small Business Innovation Research (SBIR) topics from the Defense SBIR/STTR Innovation Portal (DSIP) that were cancelled or removed in March 2026 from agencies other than the U.S. Navy. RallyProp's automated intelligence system captured full topic descriptions, AI-generated summaries, objectives, Phase I–III details, and technology taxonomy classifications before the cancellation.

The affected agencies include MDA (2 topics), U.S. Air Force (2 topics). These topics span solicitations 26.BX, 26.BZ, 26.TZ. Technology areas covered include artificial intelligence, autonomous leader-follower UAS formations, electronic warfare swarms, blockchain logistics, modular UAS payloads, military working dog biomedical research, antifungal therapeutics, wearable devices, and ad-hoc distributed networking.

For the Navy's 64 cancelled topics, see the Navy SBIR 2026 guide. Each topic also links to its full detail page on the DSIP 2026 funding page, where you can browse the full reposted solicitation and all topic details. Data is updated automatically.