Just so folks know...
Sometimes info on a picture can be gotten just moving your curser over a picture without clicking...
It should bring up the file / picture info...
Which may or may not contain the picture "name" or title...
Which clues in on "what" it is.
The strain and fatigue of 23 days on the line is shown by Marines of Combat Team 'C', 2/7th US Marines, 1st Marine Division seen here displaying Japanese battle flags captured during the Battle of Cape Gloucester. 14-15th January 1944. (Source USMC 71602. Colorized by Doug)
This is what you call the classic "thousand yard stare".