A potential galactic disaster caused by a super nova. Populations require rescue as the destabilisation on a planetary scale is having a chain reaction as more planets go supernova. Risk to rescue ships Radiation , thargoid intervention as they view the opportunity to rid the scourge of humanity in their systems. Large meteors randomly hitting systems due to the super novas which need to be destroyed. There will need to be a command structure put in place with wings and singleton missions in the CG. Just a thought to bring the community together.. 
