to command the 203rd New York Volunteer Infantry Regiment. He organized and trained his regiment at Camp Black, Camp George Meade, Pennsylvania, and Camp Wetherill near Greenville, South Carolina. Schuyler was mustered out of the volunteers on March 25, 1899. From April to September, Schuyler served with the 5th Cavalry in Puerto Rico. In August 1899, he was again commissioned as a colonel in the volunteers, this time as commander of the 46th United States Volunteer Infantry. In October 1899, he was promoted to the permanent rank of major in the 2nd Cavalry Regiment. Schuyler organized and trained his new regiment at Camp Framingham, Massachusetts. He commanded the 46th Volunteer Infantry during the Philippine–American War, including engagements in Cavite Province. In April 1901, the 46th Volunteers returned to San Francisco. Schuyler mustered out of the volunteers in May, and returned to his permanent rank of major. Schuyler served with the 2nd Cavalry in Cuba, posted to Matanzas Province from September to December 1901, and Cienfuegos Province as commander of the post of Paso Caballos from December 1901 to April 1902. After returning to the United States, Schuyler served with the 2nd Cavalry at Fort Ethan Allen, Vermont, from April to July 1902 and Fort Myer, Virginia, from July 1902 to May 1903. He was promoted to lieutenant colonel in February 1903. From June to December 1903, Schuyler was commander of the post at Fort Ethan Allen. from December 1903 to May 1904, Schuyler served with the 2nd Cavalry in the Philippines. He was assigned to duty with the Army general staff in 1904 and assigned as military attaché and observer with the Imperial Russian Army in Manchuria during the Russo-Japanese War and traveled to Shanghai, Peking and Mukden. Schuyler was present at the battles of Wafango, and Liaoyang. In December 1904, he traveled by the Trans-Siberian Railway to the Russian capital of Saint Petersburg and then Hamburg, Germany. From January to April 1905, he was on duty at the War Department, where he prepared reports about his experiences as an observer. Schuyler served as chief of staff of the Army's Southwestern Division from April 1905 to September 1906. In August 1906, he was promoted to colonel. Later career From September 1906 to May 1907, Schuyler was commander of the 5th Cavalry and the post at Fort Huachuca, Arizona. From May 1907 to April 1908 he was posted to Albany, New