Final answer:
The question asks about the uniform color for photographer flight deck personnel, which pertains to organizational protocols and safety identification.
Step-by-step explanation:
The question relating to what color jersey photographer flight deck personnel will wear most likely refers to protocols or uniform guidelines within a specific organization or context, such as the military or an aviation institution. The available options for the color of the jersey are blue (a), brown (b), green (c), or red (d). Specific uniform colors and roles can vary by organization and are usually set for identification and safety reasons.