Wensinger then served as commanding officer of the Marine barracks at Pacific Coast Torpedo Station in Keyport, Washington, until December 1930, when he was ordered for his second tour of expeditionary duty to Nicaragua. He served as Brigade adjutant of 2nd Marine Brigade under Brigadier General Frederic L. Bradman and distinguished himself during an earthquake and fire which devastated the city of Managua on March 31, 1931. He distinguished himself and was awarded a Special Letter of Commendation by the Secretary of the Navy, Charles F. Adams III and also received Nicaraguan Presidential Medal of Merit with Diploma.