Service Numbers and Social Security Numbers. Service numbers and social security numbers are used at NPRC (MPR) as part of the identifiers used to store and locate records. Social Security Number (SSN). Always include the veteran's social security number on a request. Service Number (SN).
DETENTION. The act of retaining a person or property, and preventing the removal of such person or property. 2. The detention may be occasioned by accidents, as, the detention of a ship by calms, or by ice; or it may, be hostile, as the detention of persons or ships in a foreign country, by order of the government.
Detention is defined as  the state of being confined or delayed somewhere, or kept after school for punishment. When you are locked up in prison for a short period of time as punishment, this is an example of detention. When you are made to stay after school because you did something wrong, this is an example of detention.