I have nothing against instructors using the name of a military unit to sell either their own hand-to-hand combat system or one that is used effectively by that unit. Not at all. For the most part, I see this as a marketing thing and each instructor/author has to make decisions on that front.
If you want to connect a USB device to an HDMI device then you must use a converter box. This is a set of electronics that change the protocols and signals. The only adaptor which works is the DVI-HDMI ones.
1 Adapters are available to convert DVI to HDMI or VGA to composite video. 2  You can also get an adapter cable to connect your computer's USB port to your TV's HDMI port if your laptop has no HDMI port. 3  Converters, especially analog ones, typically result in a loss of quality, so avoid them if possible. You can also get an adapter cable to connect your computer's USB port to your TV's HDMI port if your laptop has no HDMI port. 2  Converters, especially analog ones, typically result in a loss of quality, so avoid them if possible.