 Among other duties, they were involved in the Latvian War of Independence, foiling an attempted coup by German troops in the port of Libau.During 1919–20 the S-class destroyers in the Mediterranean participated in the British intervention in southern Russia, giving military aid to the White Russian forces under Generals Denikin and Wrangel.In particular, "Tomahawk" and "Tribune" helped defend the Perekop line in January 1920; "Sportive" look part in the evacuation of White Troops from Odessa in February 1920; "Steadfast", "Sikh" and "Seraph" were involved in the evacuation of Novorossik in March 1920; and "Seraph" and "Shamrock" in the final evacuation from the Crimea in November 1920, while "Tourmaline" and "Tobago" patrolled off Novorossisk and Tuapse to intercept any Soviet attempts to interfere ("Tobago" hit a mine during these operations, and was consequently scrapped).