Keywords: US Naval Jack 30 stars.svg US Naval jack with 30 stars In use July 4 1848 “July 3 1851 Self created based on code from Image US flag 30 stars svg 2006-10-04 own assumed Dual Freq See also Image US flag 30 stars svg Naval jacks of the United States 29 Flags with more than twenty stars Flags with white five-pointed stars SVG flags - historical of the United States |