Each cycle begins with a Call for Proposals, followed by a condensed space project lifecycle, including typical design phases and reviews, culminating in the launch of the experiments and publication of the final reports.
The REXUS/BEXUS programme started in 2007 in its current form.
This diagram shows an example of overlapping cycles of the programme with the key milestones:

Click on diagram for bigger view
The detailed schedule for the current cycles of activities is as follows:
Cycle 15:
- 12 Jun 2023 – Call for Experiment Proposals
- 01 Sep 2023 – Letter of intent (DLR Only)
- 09 Oct 2023, 23:59 CEST – Deadline for Experiment Proposals
- 27-28 Nov 2023 – DLR Selection Workshop, DLR
- 28-30 Nov 2023 – ESA/SNSA Selection Workshop, ESA/ESTEC
- 18 Dec 2023 – Cycle 15 selection announcement
- 05-09 Feb 2024 – Preliminary Design Reviews (PDRs) & Students Training Week, SSC, Esrange Space Center
BEXUS 34/35 schedule
- 13-17 May 2024 – BEXUS Critical Design Reviews (CDRs), ESA, ESTEC
- Jun/Jul 2024 – BEXUS Integration Progress Reviews (IPRs) at student team sites
- Sep 2024 – BEXUS Experiment Acceptance Reviews (EARs) at student team sites (ESA/SNSA) or ZARM-FAB Bremen (DLR)
- 27 Sep – 7 Oct 2024 – BEXUS Campaign (10 days), SSC, Esrange Space Center
- 15 Dec 2024 – Delivery of the final BEXUS Experiments reports
REXUS 33/34 schedule
- 10-14 Jun 2024 – REXUS Critical Design Reviews (CDRs), DLR Oberpfaffenhofen
- Aug/Sep 2024 – REXUS Integration Progress Reviews (IPRs) at student team sites
- Nov 2024 – REXUS Experiment Acceptance Reviews (EARs) at student team sites
- 09-13 Dec 2024 – Integration Week (ITW), ZARM-FAB Bremen
- 13-17 Jan 2025 – Bench Test, DLR Oberpfaffenhofen
- 03-15 Mar 2025 – REXUS Campaign (12 days), SSC, Esrange Space Center
- TBD Jun 2025 – Delivery of the final REXUS Experiments reports
Cycle 16:
- 17 Jun 2024 – Call for Experiment Proposals
- 01 Sep 2024 – Letter of intent (DLR Only)
- 14 Oct 2024, 23:59 CEST – Deadline for Experiment Proposals
- 25-26 Nov 2024 – DLR Selection Workshop, DLR
- 26-28 Nov 2024 – ESA/SNSA Selection Workshop, ESA/ESTEC
- Dec 2024 – Cycle 16 selection announcement
- 03-07 Feb 2025 – Preliminary Design Reviews (PDRs) & Students Training Week, DLR Oberpfaffenhofen (DE)
BEXUS 36/37 schedule
- 14-16 May 2025 – BEXUS Critical Design Reviews (CDRs), ESA, ESTEC
- TBD Jul 2025 – BEXUS Integration Progress Reviews (IPRs) at student team sites
- TBD Aug/Sep 2025 – BEXUS Experiment Acceptance Reviews (EARs) at student team sites (ESA/SNSA) or ZARM-FAB Bremen (DLR)
- TBD Oct 2025 – BEXUS Campaign (10 days), SSC, Esrange Space Center
- TBD Jan 2026 – Delivery of the final BEXUS Experiments reports
REXUS 35/36 schedule
- 4-6 Jun 2025 – REXUS Critical Design Reviews (CDRs), DLR Oberpfaffenhofen
- TBD Aug 2025 – REXUS Integration Progress Reviews (IPRs) at student team sites
- TBD Nov 2025 – REXUS Experiment Acceptance Reviews (EARs) at student team sites
- TBD Dec 2025 – Integration Week (ITW), ZARM-FAB Bremen
- TBD Jan 2026 – Bench Test, DLR Oberpfaffenhofen
- TBD Mar 2026 – REXUS Campaign (12 days), SSC, Esrange Space Center
- TBD Jun 2026 – Delivery of the final REXUS Experiments reports