| Rainbow Bluff Expedition | |||||||
|---|---|---|---|---|---|---|---|
| Part of the American Civil War | |||||||
| |||||||
| Belligerents | |||||||
 United States (Union) |
 CSA (Confederacy) | ||||||
| Commanders and leaders | |||||||
|
David Porter Innis N. Palmer |
| ||||||
| Strength | |||||||
|
2 Gunboats Tugboat Bazely | Several Water mines | ||||||
| Casualties and losses | |||||||
| Otsego and Basely sunk | none | ||||||
The Rainbow Bluff Expedition took place on December 9, 1864 during the American Civil War. The Confederate water mines caused the Union naval force to cancel the expedition.