Journal History of April 24, 1843; Member of the Mormon Battaliion, becoming Captain of Company C.
James Brown was called at a general conference of the Church to fill a mission. (Journal History of Oct.8, 1844)
Journal History of November 26, 1848. Bio Ency. states he went to California for the purpose of drawing the pay due from the government to the men in his command.
Journal History of Aug 28, 1852 Finding conditions unfavorable for the introduction of the gospel, he returned home. (LDSBE)