US Coast Guard used them for search and rescue too, called Project Sea Hunt.
Coast Guard has something like 50k active, reserve and civilian workforce and NYPD is like 55k
It was National Guard not Coast Guard, Coast Guard doesn’t have that kind of budget. Never had, never will.
https://www.apkmirror.com/apk/lineageos/
This is the only place I’ve seen them. Not all will be compatible with non-lineageos android but I’ve had success with some.
What 'chu want?