Alien Tech, Ahsoka and Loki

Is the U.S. Government in possession of alien technology? Are products we use everyday the result of secret programs working to reverse engineer that alien tech? These are real question being asked by members of congress and by faculty at Harvard university. Harvard Professor Story: https://www.cbsnews.com/boston/news/avi-loeb-harvard-professor-alien-technology-fragments/ Congressional Hearing https://www.pbs.org/newshour/politics/watch-live-house-oversight-committee-probes-ufos-and-wider-implications