The insignia of two oak leaves and a silver acorn is primarily associated with which rank?

The insignia of two oak leaves and a silver acorn is associated with the Civil Engineer Corps officer rank. This insignia symbolizes leadership and represents the distinctive role and responsibilities of officers within the Civil Engineer Corps. The oak leaves reflect strength and longevity, while the acorn signifies the potential for growth and development in maintaining and overseeing engineering projects and initiatives.

This insignia is unique to the Civil Engineer Corps and is recognized within the context of naval and military structure, distinguishing it from insignias associated with other high-ranking non-commissioned officers or specialized ranks. Understanding the specific insignias and their meanings helps reinforce the recognition of various roles within military organizational structure.