Of course! There are multiple birds/sensors with SAR, IR, and multispectral capabilities always surveying various parts of the world. Organizations like NGA (formerly National Imagery and Mapping Agency to give some context) are very keen to using such geospatial data and provide resources in acquiring certain types of unclassified data sets:
> Of course! There are multiple birds/sensors with SAR, IR, and multispectral capabilities
I don't mean just taking pictures of them all. I mean to do the equivalent of Argus -- real-time 12 frames/second surveillance of the entirety of the borders and coasts of the continental United States of America. Just having the birds with the cameras is only a fraction of that task.
https://www1.nga.mil/ProductsServices/Pages/PublicProducts.a...