The character played by Steven Williams is first shown with the on-screen caption, "Spec. Jonathan Alston," to note the character's Army rank of Specialist / E4. However, the character is clearly wearing the rank of Sergeant / E5, and later, a character refers to him as "Sergeant Alston."
The real-life Jonathan Alston, on whom the character is based, was a Specialist during Desert Storm.
The real-life Jonathan Alston, on whom the character is based, was a Specialist during Desert Storm.