I have wireless cams on the house that are IR
And will catch wildlife at night like deer
Not sure if the military uses a different frequency of IR not available to the public though
I won't comment further on military use of this portion of the EM Spectrum.
WWG1WGA
Garde la Foi, mes amis! Nous nous sommes les sauveurs de la République! Maintenant et Toujours!
(Keep the Faith, my friends! We are the saviors of the Republic! Now and Forever!)
LonePalm, le Républicain du verre cassé (The Broken Glass Republican)