The third clue has been solved. Answer below. I haven't been responding to the Discord chat but have been solving part of it on my own.
You'll notice numbers on the images. If you combine the numbers, they'll take you to the coordinates of New Georgia, Solomon Islands.
A Pacific campaign took place there, wherein the US / Allied forces were successful.
Anyway, back to the puzzle... there seems to be more to it. You're taken to a slideshow and you see some random black and white pics.
When you go back to the main Enigma page, it doesn't fully solve the Enigma for you even after putting the correct answer. There must be something more....
The picture is of Mission santa clara de asís. Then you go to santaclara.supply given in the image.
Then in the center of that page, there's a hidden link. It takes you to the WWII supply ship, Santa Clara.
Also, in the video, there appears to be the name "Xavier" in the background.
SPOILER ALERT
01071943