two cruisers returned to La Spezia on 4 June. Trento started a much more ambitious cruise the following month, departing Italian waters on 23 July, bound for South America. Over the following three months, she visited Cape Verde, Rio de Janeiro, Santos, Montevideo, Buenos Aires, Bahía Blanca, Las Palmas, and Tangiers, before arriving back in Italy on 10 October. On 15 September 1930, Trento embarked on a cruise to the eastern Mediterranean that concluded in La Spezia on 21 November. In mid-1931, she entered the drydock in La Spezia for modifications to her tripod foremast; a sturdier five-legged version was installed to reduce vibration in the fire control director. On 28 January 1932, Trento steamed to Gaeta, where she and the destroyer took on a contingent from the San Marco Battalion. The two ships then departed, bound for China, where they reinforced the Italian Far East Division, which included the old protected cruiser and the gunboats and . The force was tasked with protecting Italian nationals in the country during the Chinese Civil War. The ships stopped in Port Said, Aden, Colombo, and Singapore en route to Shanghai, where they arrived on 4 March. From 26 April to 1 May, Trento visited Nagasaki, Japan. Two weeks later, on 14 May, Trento left Shanghai to return to Italy, arriving in La Spezia on 30 June. On 6–7 July 1933, Trento took part in a major fleet review held in the Gulf of Naples for Italian dictator Benito Mussolini. Trento became the flagship of the 2nd Division, 1st Squadron on 2 December. The ship visited Durazzo on 23–26 June 1934, and on 1 July, became the flagship of the 3rd Division. She made another cruise in the eastern Mediterranean from 8 to 20 March 1935, during which she made calls in Rhodes and Leros. On 18 June, Trieste temporarily relieved Trento as the divisional flagship. Another naval review was held in the Gulf of Naples on 27 November 1936, to honor the Regent of Hungary, Miklós Horthy, who was visiting Italy at the time. Trieste again replaced Trento as the flagship on 27 January 1937. From 10 to 12 March 1937, Mussolini took a short tour of Italian Libya aboard the heavy cruiser , escorted by Trento. The two cruisers stopped in Benghazi, Tripoli, and Ra's Lanuf during the trip. The ship participated in another fleet review on 5 May 1938, this