Source: https://tendernation.io/opportunities/01a13bdd-525c-70be-8b38-c2367b37ef23/715855513-uk2-preliminary-market-engagement pending GB open procedure # 715855513 - UK2 - Preliminary Market Engagement [Defence Equipment and Support](https://tendernation.io/buyers/defence-equipment-and-support) Estimated value £800,000,000 Published 1 May 2026 Deadline Rolling deadline ## Who can bid - Open procedure Anyone can submit a full tender; there is no shortlisting stage. ## About this tender Space portfolio and ISTARI Industry Day – Monday 29th June This industry day will be delivering an update on the National Armament Directive’s (NAD’s) Space portfolio landscape, providing an overview of the planned work and developments within the organisation’s purview across all Space Capabilities. The day will also specifically focus on ISTARI (Space Based Intelligence Surveillance and Reconnaissance) Industry Day and include a briefing from the Authority to Industry, aimed at providing an up-to-date report on the scope, vision and context status for the Ministry of Defence’s (MoD’s) ISTARI programme. ISTARI is the overarching programme initiated to deliver the UK’s Space Based – Intelligence Surveillance Reconnaissance (SB-ISR) end-to-end requirements. ISTARI will cohere, integrate and adopt various Operational Concept Demonstrators (OCDs) to deliver an ‘in-service’ ISR capability under one programme, delivering UK sovereign, Defence-controlled, continual, resilient, timely, pervasive, and flexible observations across the globe, augmenting capabilities owned and developed by key allies. Following previous briefings and announcements, this Industry Day will endeavour to contextualise the Authority’s requirements and objectives in the aftermath of the Strategic Defence Review (SDR), creating a forum in which to collaborate and engage on various aspects of ISTARI, offering valuable insight and an opportunity to introduce or reacquaint yourselves with the various stakeholders aligned to this programme. In addition to this, we also welcome a guest speaker from the Government Commercial Agency (GCA) (formerly Crown Commercial Service), who will enlighten attendees on the nascent Space Technology Solutions Dynamic Market (STS DM) (RM6370). The STS DM aims to unlock opportunity through increased flexibility and enhanced commercial mechanisms inherent to the PA23 regulations. As a key stakeholder in its design and implementation, the STS DM has been specifically created as the team’s primary route to market and acts as an evolutionary successor to the Space-Enabled and Geospatial Services Framework (RM6235). Read full description ## CPV classification Computer equipment and supplies Electrical machinery, apparatus, equipment and consumables; lighting Radio, television, communication, telecommunication and related equipment Security, fire-fighting, police and defence equipment Laboratory, optical and precision equipments (excl. glasses) Software package and information systems Aircraft and spacecraft IT services: consulting, software development, Internet and support Miscellaneous general and special-purpose machinery Transport equipment and auxiliary products to transportation Source Find a Tender (UK) · Notice ocds-h6vhtk-06909c-2026-05-01T15:46:52+01:00 [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-06909c-2026-05-01T15:46:52+01:00) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. 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