to the Warlord Rebellion in northeastern Shandong. On one occasion, she put a landing force ashore at Zhifu. In May 1929, Trenton's division was detached from the Asiatic Fleet, and she steamed back to the United States along with Memphis and . The light cruiser was overhauled at Philadelphia in the latter part of 1929, and then rejoined the Scouting Fleet. For the next four years, Trenton resumed the Scouting Fleet schedule of winter maneuvers in the Caribbean followed by summer exercises off the New England coast. Periodically, however, she was ordered to the Isthmian coast to bolster the Special Service Squadron during periods of extreme political unrest in one or more of the republics of Central America. In the spring of 1933, Trenton moved to the Pacific and became flagship of the Battle Force cruisers. She operated in the eastern Pacific until September 1934. At that time, the ship returned to the Atlantic side of the Panama Canal to cruise with the Special Service Squadron. Over the next 15 months, Trenton visited ports in the Caribbean, in Central America, and South America as the squadron conducted a good-will cruise to Latin America. In January 1936, she retransited the canal and, after an overhaul at the Mare Island Navy Yard, rejoined the Battle Force until late in the spring of 1939. During that period, she made her second cruise to Australia in the winter of 1937 and 1938, for the sesquicentennial of the first colonization of that continent. In May 1939, she returned to the Atlantic and, after a stop at Hampton Roads, got underway on 3 June for Europe. There she joined Squadron 40-T, a small American naval force which had been organized in 1936, to evacuate United States citizens from Spain and to protect American interests during the Spanish Civil War. Trenton patrolled the western Mediterranean and waters off the coast of the Iberian peninsula until mid-July 1940, when she returned to the United States. During her homeward voyage, the light cruiser carried Luxembourg's royal family then in flight from Nazi aggression. World War II In November, Trenton reentered the Pacific and rejoined the Battle Force, becoming an element of CruDiv 3. From 1941 to mid-1944, the ship served with the Southeast Pacific Force. At the time of America's entry into the war early in December 1941, she was moored at Balboa, Canal Zone. During the early part