Special Operations Soldier Tattoos: Keep the Subject Accurate

William's Special Operations Soldier leg tattoo has a large skull face beneath a cap, a communications headset and a smaller soldier below. The subject is a special operations soldier. If you want a similar military theme, begin with the figure and equipment you mean to depict.
Which details should be specified?
Separate the broad image from any details that must be exact. You might want a fictional skull-faced soldier with tactical equipment, or a tribute involving particular insignia. Those requests require different levels of reference. Point out the features that should remain accurate and the elements that are artistic choices.
William identifies this black-and-grey leg piece as a special operations soldier. Its large skull face wears a cap and communications headset, with equipment and lightning supporting the composition. A smaller soldier figure continues the military imagery below.
Is a military-themed tattoo automatically a memorial?
A military character can be a standalone image or part of a tribute. Say which you intend. If the design honors someone, the equipment and any insignia should connect to that purpose; a skull alone does not establish a memorial.
For your brief, explain whether the subject is an imagined character, a personal reference or a tribute. If it is a memorial, identify the details that make that meaning clear to you. Avoid adding a unit name merely because it appears in a reference image you like.
How much equipment detail belongs in the design?
Keep the focal subject readable before adding smaller objects. A rifle, straps and clothing textures should support the figure, not hide it. Which details remain depends on the final scale and placement.
At your consultation with William in Tulsa, separate the equipment that must be exact from the details you are happy to develop in the drawing.