During the Red River Campaign, the Arizona Scouts again fought as part of Major's Texas Cavalry Brigade which was combined with Green's Brigade, and a brigade of Louisiana regiments to form a Cavalry Division under Major General Tom Green. The Arizona Scouts fought in the major battles at Wilson's Farm (April 7, 1864), Mansfield and Pleasant Hill, and in numerous other skirmishes throughout the campaign. On May 1, 1864 the Arizona Scouts under Lt. John M. Smith assisted in the capture Union transport, the U.S.S. Emma near Wilson’s Landing on the Red River. Captain Tevis wounded earlier in the campaign, served under the command of First Lieutenant John M. Smith for the rest of the campaign.