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.
USB-C to VGA Adapter. Description. Moshi's USB-C to VGA adapter lets you output HD video from any USB-C device or laptop to a VGA display or projector. Ideal for classroom or conference room presentations, the adapter supports crystal clear video resolution up to 1920 x 1200 or 1080p at 60Hz.