Reviewed August 2026
Use
Ratings are preliminary. Program leadership must assign accountable owners, quantitative thresholds, review dates, and closure evidence before authorization. A fallback preserves a buildable fleet when an objective system is delayed.
| Risk | Category | Probability | Consequence | Leading indicator | Mitigation | Fallback | Decision authority | Review date |
|---|---|---|---|---|---|---|---|---|
| Requirements growth | Acquisition | High | Critical | Changes after baseline lock | Configuration board and funded blocks | Defer change | Program executive | Quarterly |
| Baseline instability | Engineering | High | Critical | Unclosed requirements at PDR | Interface and baseline freeze | Pause authorization | Navy technical authority | Each design review |
| Cost underestimation | Financial | High | Critical | Independent estimate variance | CAPE, CBO, and Navy estimates | Rescope or rephase | Milestone decision authority | Annual |
| Yard activation delay | Industrial | High | High | Permits or construction miss critical path | Wave activation and alternate sites | Shift starts to ready yards | Industrial program lead | Monthly |
| Workforce shortages | Workforce | High | High | Vacancy or attrition threshold exceeded | Portable credentials and staged hiring | Shift modules or cadence | Workforce lead | Quarterly |
| Supply-chain concentration | Logistics | High | Critical | Sole-source or lead-time alert | Second sources and strategic inventory | Certified substitute | DLA and Navy supply lead | Monthly |
| Module-interface failure | Engineering | High | High | Reference module fails fit or test | Digital thread and physical qualification | Fixed installation | Interface authority | Each certification |
| Software integration | Technical | High | Critical | Land-site regression or cyber test failure | Incremental releases and land integration | Fielded baseline | Combat-system authority | Each release |
| Mk 57 PVLS missile certification | Weapons | High | High | Weapon qualification slips | Early certification and production plan | Mk 41 VLS IWM | Weapons authority | Quarterly |
| APM availability | Weapons | High | High | Launcher or payload schedule slip | Independent large-payload lane | Defer payload | Weapons authority | Quarterly |
| Pod qualification | Propulsion | High | Critical | Hydrodynamic, acoustic, shock, or endurance failure | Full qualification program | Shaft and rudder | Propulsion authority | Each test gate |
| Battery safety | Power | High | Critical | Thermal event or containment failure | Containment, ventilation, suppression, certification | Reduced battery role | Electrical and safety authorities | Each test gate |
| Trinion development | Weapons | High | Critical | Recoil, cost, accuracy, or ammunition failure | Incremental land test and cost gate | Mk 45 Mod 4 or certified gun | Weapons authority | Each test gate |
| Sensor integration | Combat systems | Medium | Critical | Power, cooling, EMI, or track-quality shortfall | Land-based and shipset integration | Certified baseline fit | Combat-system authority | Each design review |
| Excessive topside weight | Naval architecture | Medium | Critical | KG or service-life margin breached | Weight control and independent stability review | Remove deferred payload | Chief naval architect | Monthly |
| Cooling margin | Power | High | High | Mission profile exceeds heat-rejection margin | Zonal cooling model and growth reserve | Limit simultaneous loads | Electrical authority | Each design review |
| Acoustic performance | ASW | Medium | High | Measured signature misses objective | Model, isolate, and conduct full-scale trials | Machinery or propulsor correction | ASW authority | Trial gates |
| Schedule concurrency | Acquisition | High | Critical | Construction begins before design/test maturity | Entry criteria and schedule-risk analysis | Delay start | Milestone decision authority | Before each start |
| State participation shortfall | Industrial | Medium | High | Match or site commitments lapse | Wave competition and alternates | Reallocate campus | Industrial program lead | Each wave |
| Environmental cleanup delay | Environmental | High | High | Unknown plume, liability, or permit delay | Early characterization and phased construction | Alternate parcel | Federal environmental lead | Monthly |
| DLA inventory cost | Logistics | High | High | Obsolescence or carrying cost exceeds plan | Demand signals and controlled reserve levels | Slow or redirect production | DLA program lead | Quarterly |
| Governance fragmentation | Governance | Medium | Critical | Conflicting waivers or authorities | Single configuration authority and oversight | Pause expansion | Service acquisition executive | Quarterly |