Shells, bullets and other ordinance.. you know, the kinds of things that you would find on an amphibious assault ship.
similar image
https://247newsaroundtheworld.com/tvshowbiz/tom-hanks-covers-his-face-with-a-bandanna-as-he-takes-a-sunday-afternoon-stroll-with-rita-wilson/
or same image here
https://www.dailymail.co.uk/tvshowbiz/article-8397891/Tom-Hanks-covers-face-bandanna-takes-Sunday-afternoon-stroll-Rita-Wilson.html
many more here: http://diazhub.com/entertainment/tom-hanks-and-rita-wilson-travel-in-style-as-they-arrive-on-paros-island-in-greece-in-a-private-jet/
I've seen bigger in person. This was a tiny one.
Ironically also racist against Scottish men.