| Mission Name | AO Call | Deadline |
| INTEGRAL | AO21 https://www.cosmos.esa.int/web/integral/newsletter/ | 29 September 2023 |
| XMM Newton | AO25 https://www.cosmos.esa.int/web/xmm-newton/ao25-timeline | 10 October 2025 |
| Chandra | AO26 https://cxc.cfa.harvard.edu/proposer/CfP/ | 13 February 2025 |
| Swift | AO21 https://swift.gsfc.nasa.gov/proposals/index.html#c21_news | 26 September 2024 |
| NuSTAR | AO11 https://heasarc.gsfc.nasa.gov/docs/nustar/nustar_prop.html | 29 January 2025 |
| Fermi | AO18 https://fermi.gsfc.nasa.gov/ssc/proposals/ | 13 February 2025 |
| Insight-HXMT | AO7 http://hxmten.ihep.ac.cn/notice/898.jhtml | 25 September 2024 |
| Astrosat | AO14 http://astrosat-ssc.iucaa.in/ao14 | 31 March 2024 |
| NICER | AO7 https://heasarc.gsfc.nasa.gov/docs/nicer/proposals/index.html | 07 June 2024 |
