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.
C2G 29351 Micro USB to HDMI MHL Adapter / USB/HDMI for Audio/Video Device, Cellular Phone, Tablet PC, TV - 1 x Type B Male Micro USB - 1 x HDMI Female Digital Audio/Video, 1 x Type B Female Micro USB.