Hopefully the public is getting an understanding of how long our government has actually been involved in this topic, despite decades of denial," said Luis Elizondo.

Congress held its second House hearing focused on "unidentified anomalous phenomena" or UAPs. Former NASA, Navy and Defense Officials told lawmakers what they believe the U.S. government is keeping from Congress and the public.

U.S. government experts, former DOD and NASA officials, and others testify before a House Oversight Committee on reports of "unidentified anomalous phenomena" (UPA) on Capitol Hill Wednesday.

Witnesses testifying before a House committee called on Congress to act to provide more transparency regarding UAPs.