Maji-Maji-Aufstand
In late 1901, she was assigned to the East Asia Squadron; she operated in East Asian waters for the next four years, during which time she evacuated German nationals from Chemulpo in the Korean Empire during the Russo-Japanese War in 1904. "Thetis" was ordered to reinforce German forces in German East Africa after the outbreak of the Maji Maji Rebellion in mid-1905. The revolt was quickly suppressed and "Thetis" was thereafter recalled to Germany for an overhaul, after which she was placed in reserve.