There are exceptions for the federal government itself and for companies that make devices for the federal government for special (basically defense) purposes.

There are exceptions for the federal government itself and for companies that make devices for the federal government for special (basically defense) purposes. Obviously, stuff like this is made some how: https://www.rtx.com/raytheon/what-we-do/sea/ngj https://www.rtx.com/raytheon/what-we-do/sea/ngj