 And they were not any threat in person to Eisenhower. But this was another threat of an old war maneuvering strategist. Eisenhower was quite familiar with the story of the Trojan horse. What if you let in some friendly aliens? And this was just opening the floodgates to gosh knows what coming later. So this was another reason why he asked them to stay away and may have formed an agreement of sorts that needed to be signed.