Claim: Australia has had three National flags, six Royal Navy Flags, three still in use today,  including the Chief of Navy flag that has been used since 1920 and many others.
Evidence:  Australian National Flag, naval jack and state ensign  Historic national flag as approved by King Edward VII  Historic flag, original 1901 Federal Flag Design Competition winner  1920–present Flag of the Chief of Navy  1967–present Australian White Ensign  2001–present Australian Navy Cadets Ensign  1972–2001 Naval Reserve Cadets Ensign  1956–1972 Sea Cadet Corps  1911–1967 Royal Australian Navy Ensign