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.
The Belkin MIXITââ¢ USB-A to USB-C Charge Cable lets you charge your USB-C smartphone or tablet as well as sync your photos, music and data to your existing laptop at transfer speeds of 480 Mbps. Plus, the cable also supports up to 3 Amps of power output for charging USB-C devices. Made for: Connecting from a standard USB-A device to a USB-C (also known as USB Type-C) enabled device. Also compatible with Thunderboltâ¢ 3 and Galaxy S8/S8+. This MIXITââ¢ USB-C cable supports up to 3A of power output and can be used for charging and powering USB-C enabled devices including the Galaxy S8/S8+.