Fall 1923 to before 31 July 1925

Start - The airplane UO-1 on the stern. US Navy drawing storing UO-1, dated 6 July 1923, in BB35 archives and on the website.  

End Date - date entering Norfolk Navy Yard for modernization

Eight - 3inch, Mark XII AA guns: 2 - superstructure (aft 5in guns), 2 - crane tops, 2 - atop turret 3 and 4.