摘要：A military presence has been a major focal point of San Diego’s development since the earliest European ship sailed into the nation’s most southwesterly port. With the arrival of Juan Rodríguez Cabrillo sailing for Spain in 1542, the port-–then named San Miguel—took on life as a strategic location for shelter and defense. Surveyed and mapped by Sebastián Vizcaíno in 1602, and given the permanent name of San Diego de Alcalá, the port’s virtues were once again noted. Lacking any apparent mineral wealth, the local Kumeyaay natives remained little disturbed until 1769, when Spanish military detachments arrived by sea and land. They accompanied missionaries under Father Junípero Serra for the pupose of founding Mission San Diego de Alcalá, first in Upper California
