Assuming he's in the US, he doesn't want his door kicked in by the FBI. No kidding. https://www.google.com/search?client=firefox-b-d&q=MTCR+missile https://www

Assuming he's in the US, he doesn't want his door kicked in by the FBI. No kidding. https://www.google.com/search?client=firefox-b-d&q=MTCR+missile https://www.google.com/search?client=firefox-b-d&q=MTCR+miss... MTCR, ITAR, commerce control list related. amateur model rocket people who fly stuff in the black rock desert go out of their way to NOT incorporate active guidance systems, lest they run afoul of this.