He soon transferred at his request to U.S. 2nd Dragoons and was cited for valor at the Battle of Buena Vista in February 1847 .
In 1846 , Wood joined General Zachary Taylor 's staff for a few months as the Mexican -- American War erupted .
Wood soon transferred at Wood 's request to U.S. 2nd Dragoons and was cited for valor at the Battle of Buena Vista in February 1847 .
In 1846 , Wood joined General Zachary Taylor 's staff for a few months as the Mexican -- American War erupted .