Public domain World War II pictures

Yes, this was from a series of photos which showed several Mariners in the background.

It does look like one, thunderbolt
.

I am a just starting out artist and I would love to paint this as part of my ww2 series and sell prints. How could I get permission to use this image?

Is that a Martin Mariner on the extreme left of shot?

The fore deck is too cluttered to make out what armament has been fitted but this Elco boat has the late torpedo installation that dispensed with the launch tubes, relying on the torpedoes being rolled off their racks, into the water.
IIRC this was due to a change to the same torpedo as carried by aircraft, which was too fat to fit in the tubes, so this simpler, lighter, more reliable launch method was adopted.
On the rear deck, a 40mm Bofors is fitted. Extra strengthening was required over the engine space to enable this installation. It wasn't simply a case of "there's space here, make it fit".

I think they are Ford trucks ;)

Can anyone identify the trucks in the background?
They look like American Chevrolets but I'm not sure.
Maybe a mixture of types. One appears to have a higher radiator grill than the others.

General Kenny was not keen on the A-26, preferring the NA B-25 Mitchell.
Part of that may have been because the B-25 was already in use by the US 5th Air Force so there was a well established supply and maintenance infrastructure.
Another factor was the B-25's better view over the nose and this image shows how the A-26 instrument panel is very high in the pilot's field of view.

One wonders why they aren't stacking it in the closest ambulance.
I wouldn't want to be carrying such large objects so close to a spinning aircraft propeller.
No OH&S in those days, not even in civilian life, let alone the military.

As a very early model, this M3 lacks the mine racks that became a prominent feature of this vehicle.