The Pentagon’s leading UFO expert, Dr. Sean Kirkpatrick, testified before Congress that he has seen “no credible evidence” of extraterrestrial activity. Summarize this content to 100 words [matched_content] source PENTAGON UFO CHIEF: ‘NO CREDIBLE EVIDENCE’ OF EXTRATERRESTRIAL ACTIVITY 9373 , 2023-04-19 18:17:37 , 00:00:44 UCCjG8NtOig0USdrT5D1FpxQ 136 news,newsnation now,newsnation,unbias,national news,us,wgn america