[3] Gage transferred to the fifth-rate HMS Minerve in January 1796, and having been promoted to lieutenant on 11 March 1796, he took part in the capture of the Spanish ship Santa Sabina in December 1796.

[2] He also took part in the Battle of Cape St Vincent in February 1797 and led the Minerve's boats' crews in company with those of the frigate HMS Lively in the cutting out of the French ship Mutine at Santa Cruz, Tenerife in May 1797.

[2] In HMS Terpsichore he also conveyed Charles Emmanuel, who had just abdicated as Prince of Piedmont, to exile in Sardinia in February 1799 and captured the Spanish ship San Antonio in June 1799.

[2] Promoted to rear admiral on 19 July 1821,[5] Gage was appointed Commander-in-Chief, East Indies Station, with his flag in the third-rate HMS Warspite, in December 1825.

[6] He went on to be Commander-in-Chief, the Downs in 1833 and, following the Belgian Revolution, took part in the blockade of the Scheldt that summer offering naval support to the newly established Kingdom of Belgium.

[1] Promoted to vice-admiral on 10 January 1837,[7] he became Commander-in-Chief of the Lisbon Station, with his flag in the third-rate HMS Hastings, in April 1837 with orders to protect the young Queen Maria II during the ongoing Liberal Wars in Portugal.

[6] Promoted to full admiral on 9 November 1846,[8] Gage became Commander-in-Chief, Devonport, with his flag in the first-rate HMS San Josef, in 1848 and in that role he had to contain an outbreak of cholera on the United States ship American Eagle passing through Plymouth Sound in June 1849.