After the Korean War , '' Boxer '' saw a variety of duties , including as an anti-submarine warfare carrier and an amphibious assault platform . She participated in a number of training exercises including Operation Hardtack and Operation Steel Pike , as well as several contingencies including Operation Powerpack and the Cuban Missile Crisis . In her later years , she served as a pickup ship for spacecraft during the Apollo program as well as an aircraft transport to troops during the Vietnam War
Operation Hardtack
Operation Hardtack I
USS Boxer (CV-21)