The Muster Sheet is about as old a tradition as the Navy itself. Accountability and readiness are key in maintaining a fighting ship's effectiveness, and the ships of the US Navy are no exception.
When I was visiting the USS Harry S. Truman (CVN-75) back in September 2015, I got to see several General Quarters drills, and saw each section handle accountability during the drill.
Here, I've depicted two female sailors in charge of a group, checking the roster to make sure all are accounted for.
This is a small oil on canvas, where I used a toned ground and tried to maintain a deftness to the paint application, to keep the sketchy quality to the piece while also rendering realistically.