Instead, he spent time on the staffs of generals Nathaniel Banks, John Pope, George McClellan, Benjamin F. Kelley, David Hunter, and Franz Sigel. He resigned from the army after Hunter was replaced by Philip Sheridan. Field commanders were often Major Seymour B. Conger and Colonel John L. McGee.
He served under generals Nathaniel Banks, John Pope, George McClellan, Benjamin F. Kelley, David Hunter, and Franz Sigel. He left the army after Hunter was replaced by Philip Sheridan.  Field commanders frequently included Major Seymour B. Conger and Colonel John L. McGee.