SecureTeam 10, which has nearly 900,000 YouTube subscribers, often runs conspiracy theory-based videos. The organisation describes itself as the "source for reporting the best in new UFO sighting news, info on the space cover-up, and the strange activity happening on and off of our planet."
Bergrun wrote the 1986 book entitled Ringmakers of Saturn. The book highlights that there are massive alien ships around Saturn (which Bergrun dubs "ring makers"), including ones which he claimed have actually created some of the rings around the gas giant.