Sad that they are the expensive Priority Mail stamps
Also population 100% robots
We have several. Fire extinguisher is my favorite house/apartment warming gift to give.
Daily wash with water and foaming hand soap. Foaming soap on lenses, rub with fingers, rinse. Dry with cotton hankerchief. I usually keep my glasses 2 years before replacing and haven’t had any issues with the anti-reflective coating washing this way.
This is a test…not a regular ISS crew rotation flight.