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Defence Industry and Space
Call for proposalsOpen

In Orbit Demonstration/Validation - 2023/2026


Publication date
31 March 2023
Opening date
Deadline model
Multiple cut-off
Deadline date
15 March 2026, 18:00 (CET)


Two parallel Calls for Expression of Interest are open to gather experiments that could be considered for IOD/IOV actions that cover aggregation, if needed, launch services and operations. Application is open for:

  1. IOD/IOV Experiments needing aggregation;
  2. Ready to Fly IOD/IOV satellites.

The calls are open until 15th March 2026 with cut-off dates on:

  • May 31st 2023, 18:00 (CET); - Closed
  • March 15th 2024, 18:00 (CET);
  • September 2nd 2024, 18:00 (CET);
  • March 15th 2025, 18:00 (CET);
  • September 1st 2025, 18:00 (CET);
  • March 15th 2026, 18:00 (CET).

Please read the full text of the relevant Call of Expression of Interest before applying.

Applications shall be sent to DEFIS-IOD-IOVatec [dot] europa [dot] eu (DEFIS-IOD-IOV[at]ec[dot]europa[dot]eu) together with the completed application package.

Applicants are kindly invited to register their intention to apply by email to DEFIS-IOD-IOVatec [dot] europa [dot] eu (DEFIS-IOD-IOV[at]ec[dot]europa[dot]eu). The registration of interest does not entail any obligation to participate.


Application documents for IOD/IOV Experiments needing aggregation:

General publications17 May 2023
Call for IOD IOV experiments needing aggregation
General publications4 May 2023
Application Package for IOD IOV experiments needing aggregation


Application documents for Ready to Fly IOD/IOV satellites:

General publications11 May 2023
Call for read to fly IOD IOV satellites
General publications30 March 2023
Application Package - Call for ready to fly IOD IOV satellites


Other documents:

General publications30 March 2023
Privacy statement IOD/IOV calls