Applicants who have separated from any military service (including Reserves or National Guard) must present a DD-214 in addition to copies of performance evaluations for at least three years. Applicants cannot have a dishonorable discharge. Background investigations are not conducted on applicants until they are within two months of separation. Applicants currently on active duty must present satisfactory documentary evidence substantiating less than two months of active duty remaining or the ability to retire within two months.