lettered
131Guidon (United States) — In the United States Army, Marines, and Air Force, a guidon is a military standard that company or platoon sized elements carry to signify their unit designation and corps affiliation. A basic guidon can be rectangular, but sometimes has a… …
132CSX milepost prefixes — Most CSX railroad lines are given lettered prefixes before milepost numbers. These letters usually refer to the former company. For instance, prefixes beginning with S were part of the Seaboard Air Line Railroad.Atlantic Coast Line RailroadLines… …
