Psychiatric and substance abuse hospitals employed only 3,210 security guards, according to the BLS, less than 8 percent of all hospital guards. However, they were the best paid in the industry, earning an average of $35,000, or $16.83 an hour.
So the basic differences between Cavalry, Artillery and Infantry are as follows. 1  Infantry: Infantry refers to the soldiers on foot. 2  Cavalry: It generally means mounted soldiers. 3  Artillery: It uses large and long ranged weapons.
Two cavalry divisions, the 1st and the 2nd, were proposed to be added to the Regular Army, the 1st being active and the 2nd inactive. Each division contained two cavalry brigades, and each brigade had two regiments, a machine gun squadron, and a headquarters troop.