..., June 17, 1863. Hon. Gideon Welles, Secretary of Navy, Washington: sir: Having reason to believe the Atlanta and other rebel iron-clads at Savannah were about attempting to enter Warsaw Sound by Wilmington River , for the purpose of attacking the blockading vessels there and in the sounds further south, I despatched some days ago the Weehawken, Captain John Rodgers, from this port, and the Nahant, Commander J...