GREYSHARK Foxtrot prototype test campaign: Germany test and trial record

Development and reported outcome

During the week beginning April 6, 2026, GREYSHARK Foxtrot entered the water for its first documented in-water testing near Damp. The campaign evaluated the fuel-cell prototype following earlier land-based propulsion and system work and represented a distinct prototype-maturation milestone before later SeaSEC activity. It does not constitute serial production, military acceptance, customer delivery, or operational deployment.[S1] [S2]

Program, platform and stakeholders

Programme or contract: GREYSHARK Foxtrot prototype test campaign. Platform or product: GREYSHARK Foxtrot. Platform classification: Autonomous Operated Vehicle. Recorded supplier, developer or relevant organization: EUROATLAS GmbH; EvoLogics GmbH (reported headquarters/country: Germany).[S1] [S2]

Mission and technical scope

The following are classifications recorded in the source master, not additional claims of operational deployment: Mission/use-case classification: Technology Demonstration / Testbed; Underwater ISR / Surveillance.

Contract, value and shipment signals

Delivery schedule, procurement window or milestone status: First water testing in early April; operational testing continued thereafter.[S1] [S2]

Source verification and interpretation limits

UXV Searcher master source-coverage note: Janes and specialist lifecycle reporting support the first documented Foxtrot in-water testing during the week of April 6. Exact day is not disclosed.

Interpretation boundary: Testing, authorization and demonstrations should not be counted as confirmed purchases or fleet deliveries without a separate acceptance source.[S1] [S2]

UXV Searcher analysis — what the development changes

UXV Searcher interpretation — validation / operational testing: The Germany UUV record for GREYSHARK Foxtrot prototype test campaign is best treated as a technical maturity signal. Testing, demonstration and certification-type activity can reduce integration uncertainty but is not equivalent to contracted fleet deployment.

Traceability for buyers: EUROATLAS GmbH; EvoLogics GmbH is the identified developer, supplier or public organisation linked to GREYSHARK Foxtrot. A customer or commercial route should not be inferred when not separately disclosed.

Client-use interpretation: For intelligence users tracking Technology Demonstration / Testbed; Underwater ISR / Surveillance, the relevant next proof points are underwater mission readiness, subsea navigation and operator acceptance. Monitor test result, qualification scope, operational acceptance and subsequent paid orders.[S1] [S2]

Quantitative evidence, calculations and limits

Quantification limit: No sufficiently attributed contract value or physical platform count is disclosed for this record. UXV Searcher leaves these fields unavailable rather than treating non-disclosure as zero or applying an unsupported market average.

The useful output is a qualitative stage and stakeholder signal, not a numerical forecast.[S1] [S2]