IF BY UFOS YOU MEAN SHIPPED TO THE AMERICAS UNDER OPERATION PAPERCLIP RUN BY THE CIA! THERE THEY RUN NASA, CIA, BIG PHARM, UNIVERSITIES, MEDICAL PROFESSION & THE USA GOVERNMENT! THEY ALSO HAVE SPREAD COMMUNISM THOUGHOUT SOUTH AMERICA, CENTRAL AMERICA & CANADA JUST LIKE THEY DID IN CHINA & TRIED IN RUSSIA AS BOLCHEVIKS!