Seymour became flag lieutenant to the Commander-in-Chief, Portsmouth in 1863 and then joined the Royal Yacht HMY Victoria and Albert in 1865 [REF].
Promoted to rear-admiral on 14 July 1889,[REF] Seymour became Second-in-Command of the Channel Squadron, with his flag in the battleship HMS Anson, in April 1894 [REF].