The first of endless possibilities combining high temporal satellites (Spire Global >60 satellite constellation) alongside the SAR capability of the Iceye constellation (SAR=view ground in all weather conditions and at night) . Take a look at the coverage in Forbes.
they are embarking on a joint project to help government and NGO customers track possible sources of crimes on the high seas, ranging from illegal fishing to piracy. The product offered by the two companies focuses on the tracking of so-called “dark vessels”—ships on the ocean that aren’t broadcasting a signal that can be tracked by the Automatic Identification System (AIS), which is used by governments and traffic control systems to monitor the real-time positions of ships at sea.
https://www.forbes.com/sites/alexknapp/2019/01/22/under-30-satel