| Ensign | Lieutenant Junior Grade | Lieutenant | Lieutenant Commander | Commander | Captain |
|---|---|---|---|---|---|
| O-1 | O-2 | O-3 | O-4 | O-5 | O-6 |
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| January 7, 1907 | January 31, 1910 | January 31, 1910 | August 29, 1916 | February 1, 1918 | June 2, 1927 |
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 | This is the user sandbox of Thomask305. A user sandbox is a subpage of the user's user page. It serves as a testing spot and page development space for the user and is not an encyclopedia article. Create or edit your own sandbox here. Other sandboxes: Main sandbox | Template sandbox Finished writing a draft article? Are you ready to request review of it by an experienced editor for possible inclusion in Wikipedia? Submit your draft for review! |
| Ensign | Lieutenant Junior Grade | Lieutenant | Lieutenant Commander | Commander | Captain |
|---|---|---|---|---|---|
| O-1 | O-2 | O-3 | O-4 | O-5 | O-6 |
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| January 7, 1907 | January 31, 1910 | January 31, 1910 | August 29, 1916 | February 1, 1918 | June 2, 1927 |
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