In 1827 he resigned some of his professorial work, but continued in active duty until in the autumn of 1845 he was seized with a painful illness, which proved fatal on the 11th of March 1846.
Withdrawal from the active duty of the world must lead to passive endurance, and, ere long, complete indifference.
In 1831 he was removed from active duty in consequence of his declared republicanism, but in 1832 he was recalled to the service and sent to Algeria.
In 1897 he was appointed instructor in tactics at the U.S. Military Academy, but on the outbreak of the Spanish-American War (1898) asked to be assigned to active duty.
recounts what life was like for the ordinary infantry soldier on active duty.