Final answer:
The proper placement of sew-on insignia of grade on the sleeve of service uniforms depends on the specific branch of the military and should be done following the uniform regulations and guidelines.
Step-by-step explanation:
The proper placement of the sew-on insignia of grade on the sleeve of service uniforms depends on the specific branch of the military. In general, the insignia is usually placed on the upper sleeves, centered horizontally between the shoulder seam and the elbow. The exact location may vary slightly, so it's important to refer to the uniform regulations of the specific branch for accurate placement.
For example, in the United States Army, the sew-on insignia of grade is placed 1/4 inch below the shoulder seam on the coat or shirt sleeve. In the United States Marine Corps, the insignia is placed centered below the shoulder seam on the coat or shirt sleeve. It's important to follow the uniform regulations and guidelines of the specific branch to ensure proper placement of the sew-on insignia of grade on the sleeves of service uniforms.