Experts testify before lawmakers that the U.S. is running secret UAP programs

"Let me be clear: UAP are real," he wrote. "Advanced technologies not made by our Government — or any other government — are monitoring sensitive military installations around the globe. Furthermore, the U.S. is in possession of UAP technologies, as are some of our adversaries."

Elizondo is a former intelligence officer who later "managed a highly sensitive Special Access Program on behalf of the White House and the National Security Council," according to his official bio.