Seehund S04/S18 Depot Repair: Germany contract and delivery record

Development and reported outcome

Marinearsenal awarded the depot-repair contract for the German Navy's Seehund S04 and S18 mine-countermeasure surface vessels to Gebr. Friedrich GmbH & Co. KG on July 2, 2026. The planned repair period runs from July 21, 2026 through January 15, 2027. The award value was withheld for commercial-interest reasons, so no contract value is inferred.[S1] [S2]

Program, platform and stakeholders

Programme or contract: Seehund S04/S18 Depot Repair. Platform or product: Seehund remotely operated MCM surface vessels S04 and S18. Platform classification: Large (approx. 25 m). Recorded supplier, developer or relevant organization: Gebr. Friedrich GmbH & Co. KG (reported headquarters/country: Germany). Recorded customer, operator or intended user: German Navy (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: Mine Countermeasures / Sustainment. Operating mode: Remotely Operated Surface Vessel (ROSV).

Contract, value and shipment signals

Recorded quantity, delivery, demonstration or volume signal: 2 vessels (Seehund S04 and S18). Delivery schedule, procurement window or milestone status: Repair period to 15-Jan-27. Recorded contractual start: 21-Jul-26. Recorded contractual end: 15-Jan-27. Recorded contractual duration: ~6 months.[S1] [S2]

Source verification and interpretation limits

UXV Searcher master source-coverage note: Deep verified: Jul. 2 award to Gebr. Friedrich covers depot repair of Seehund S04/S18. Seehund is an approximately 25 m remotely controlled MCM surface drone; two vessels and Jul. 21-Jan. 15 maintenance window are confirmed.

Interpretation boundary: The source-specific record should be used to distinguish award, arrival, commissioning and completed delivery; these stages are not interchangeable.[S1] [S2]

UXV Searcher analysis — what the development changes

UXV Searcher interpretation — contract / recorded award outcome: The Germany USV record for Seehund S04/S18 Depot Repair is best treated as a committed commercial activity signal. The recorded award or contract is a stronger transaction signal than a tender; the amount and quantity still need separation into platforms, accessories, support and services.

Traceability for buyers: The dataset associates Gebr. Friedrich GmbH & Co. KG with German Navy for Seehund remotely operated MCM surface vessels S04 and S18. This supports stakeholder mapping; supply-chain tier, exclusivity and signed-customer relationships need the underlying source before firm classification.

Client-use interpretation: For intelligence users tracking Mine Countermeasures / Sustainment, the relevant next proof points are mine-countermeasures requirements, autonomy integration and acceptance milestones. Watch for acceptance or delivery reports, contract modifications and whether the stated amount covers equipment or ancillary work.[S1] [S2]

Quantitative evidence, calculations and limits

Quantity/scope signal: 2 vessels (Seehund S04 and S18). Counting rule: Order/award context; not proof that hardware has shipped or entered service. Delivery/timing evidence: Repair period to 15-Jan-27. Scheduling language is not independently proof of completion or acceptance. Reproducible calculations: Recorded start-to-end calendar interval: 178 days ((2027-01-15) - (2026-07-21) = 178 elapsed calendar days). Refer to the calculation cards for assumptions and limitations.

Any volume or value must stay tagged to its awarded work package; mixed services, components and platform counts cannot be consolidated as vehicle deliveries.[S1] [S2]