I saw the girl with the red hair, I didn't think the other was anything, but after a few minutes, it looks like a knight on horse back. That is weird.
If you do a history search on the area to the first human settlement in the area, and then look up historical news from the archives, and if there is a picture of them, probably in a painting form since face recognition technology didnt exist in their time period or cameras. You can probably figure out who they are, also you wanna look up the time frame and the clothing of their period.
1. look up the fashion of their time period, that will give you an appoximate age to look at, and it will probably be medieval times since the one appears to be a knight on horse back.
2. look up the settlements in that area, in that time period, you might find that there was a battle in that area, or a settlement.
3. When you have the period and settlement, you should be able to find publications or historical archives of these individuals,
and their names if it was recorded in history.
Since your a marine, you can order a recce team or spec-ops team to do surveilance of the area.
They can authenticate the photo or find out whose using modern technology to play a prank.