| Mission Name | AO Call | Deadline |
| INTEGRAL | AO20 https://www.cosmos.esa.int/web/integral/ao20 | 01 April 2022 |
| XMM Newton | AO21 https://www.cosmos.esa.int/web/xmm-newton/ao21 | 08 October 2021 |
| Chandra | AO24 https://cxc.cfa.harvard.edu/proposer/ | 10 March 2022 |
| Swift | AO18 https://swift.gsfc.nasa.gov/proposals/swiftgi.html | 24 September 2021 |
| NuSTAR | AO8 https://heasarc.gsfc.nasa.gov/docs/nustar/nustar_prop.html | 28 January 2022 |
| Fermi | AO15 https://fermi.gsfc.nasa.gov/ssc/proposals/ | 17 February 2022 |
| Insight-HXMT | AO4 http://hxmten.ihep.ac.cn/notice/555.jhtml | 30 April 2021 |
| Astrosat | AO11 http://astrosat-ssc.iucaa.in/?q=A11 | 30 March 2021 |
| NICER | AO4 https://heasarc.gsfc.nasa.gov/docs/nicer/proposals/nicer_prop_guide.html | 10 November 2021 |
