These changes made to the disability questions mean that the population identified in 2008 is different from that identified in previous years and the results should not be compared. For a summary of all changes to the ACS 2008 survey see: http://www.census.gov/acs/www/Downloads/SummaryResultsACS2006ContentTest.pdf. Below are the disability questions used in the ACS 2003-7 and those used in the ACS 2008, with descriptions of the major differences between the questions with similar concepts.
Definition of undesirable discharge. : a formal release from military service under conditions other than honorable.
Discharge. To liberate or free; to terminate or extinguish. A discharge is the act or instrument by which a contract or agreement is ended. A mortgage is discharged if it has been carried out to the full extent originally contemplated or terminated prior to total execution. Discharge also means to release, as from legal confinement in prison or the military service, or from some legal obligation such as jury duty, or the payment of debts by a person who is bankrupt. The document that indicates that an individual has been legally released from the military service is called a discharge.