On October 27, Union troops managed to open up a "cracker line" to bring food to their troops by defeating Law's brigade of Hood's division, temporarily commanded by Jenkins, at the Battle of Brown's Ferry. In the nighttime Battle of Wauhatchie from October 28–29, Jenkins failed to regain the lost position. He blamed Law and Brigadier General Jerome B. Robertson for the lack of success. Longstreet took no immediate action against Law but complained about Robertson. A court of inquiry was set up, but its proceedings were suspended and Robertson returned to command. After the Confederate failures, Longstreet devised a strategy to prevent reinforcement and a lifting of the siege by Grant. He knew this Union reaction was underway, and that the nearest railhead was Bridgeport, Alabama, where portions of two Union corps would soon arrive. After sending his artillery commander, Porter Alexander, to reconnoiter the Union-occupied town, he devised a plan to shift most of the Army of Tennessee away from the siege, setting up logistical support in Rome, Georgia, to go after Bridgeport to take the railhead, possibly catching Maj. Gen. Joseph Hooker and arriving Union troops from the Eastern Theater in a disadvantageous position. The plan was well received and approved by President Davis, but it was disapproved by Bragg, who objected to the significant logistical challenges it posed. Longstreet accepted Bragg's arguments and agreed to a plan in which he and his men were dispatched to East Tennessee to deal with an advance by the Union Army of the Ohio, commanded by Maj. Gen. Ambrose Burnside. Longstreet was selected for this assignment partially due to enmity on Bragg's part, but also because the War Department intended for Longstreet's men to return to Lee's army and this movement was in that direction.