USS CONSTITUTION - SHIP 6 - Recruit Training Command Challenge Coin Commissioned on september 23, 2002, ship 6 is the 1st recruit barracks built at recruit training command (rtc). This new 2 inch coin features the crest of the uss constitution. This crest appears on the official ship 6 flag and while uss constitution divisions march and sing cadence on the streets of rtc, this flag is carried with pride by the division front. Ure of flag is for reference only (not for sale).