Check out this Laura Eisenhower interview of Craig Campobasso, experienced Hollywood filmmaker currently working on bringing Dr Frank Stranges' book, Stranger at the Pentagon to the big screen. Craig goes into much detail about the Val Thor phenomenon, dating back to March 16th 1957. I had great trouble making the link work so please copy and paste it into your browser:

Laura Eisenhower is the great granddaughter of President Dwight D Eisenhower. She is also related to President Richard M Nixon. Craig Campobasso is a longtime Hollywood casting director who is making his directorial debut with the mostly crowd-funded short film, Stranger at the Pentagon.

Awake in the Dream Radio interview with Craig Campobasso