They excel at beating up Ranged/Siege Weapons of the same era, thanks to their CS. Their higher Combat Strength allows them to protect Ranged and Siege Units, and along with Mounted/Armor and Naval Melee Units are the only Units capable of capturing Cities. Melee Units are the most basic forces in your Military, but are an essential part. Front (L-R): Scout, Warrior, Spearman, Swordsman, Pikeman, Longswordsman, Musketmanīack: Rifleman, Great War Infantry, Infantry, Marine, Paratrooper, Mechanized Infantry, X-COM Squad Melee Unit Stats and Strategies - Warrior to Musketmen & Mechanized Infantry Click to Enlarge. Civilization 5: Brave New World Military Unit Guide All UUs are special variants of these Units, so it is not necessary to cover them in two places. UUs are covered elsewhere: Click to learn about Unique Units in Civ 5. This Guide covers all Military Unit Types in Civilization 5 Brave New World. Civilization 5 Units Guide Military Unit Types, Promotions, and Strategies for Brave New World