Cannabis October 12, 2016 thcscience_admin For the Wikipedia revision-deletion criterion, see Wikipedia:Revision deletion § 1. RD1 is a distant galaxy. RD1 may also refer to: RD1, a wholly owned rural supplier of Fonterra RD1, one of the first Soviet rocket engine developed by Valentin Glushko See also[edit] R&D1 Topics referred to by the same term