Original sentence: At various times the following units served with the Column: 1st Regiment of Cavalry, 1st Battalion of Native Cavalry, and the 1st, 5th and 7th Infantry Regiments.The command composed of 2nd Regiment of California Cavalry and the 3rd Regiment of California Infantry under P
Edited sentence: At various times the following units served with the Column: 1st Regiment California Volunteer Cavalry, 1st Battalion of Native Cavalry, and the 1st, 5th and 7th Infantry Regiments.The command composed of 2nd Regiment California Volunteer Cavalry and the 3rd Regiment of California Infantry under P