Definitions of unsettled on the Web: still in doubt; an unsettled issue; an unsettled state of mind. changeable: subject to change; a changeable climate; the weather is uncertain; unsettled weather with rain and hail and sunshine coming one right after the other. wordnet.princeton.edu/perl/webwn.
Credit and criminal history checks will be conducted on all applicants. For a Top Secret security clearance, the background investigation includes additional record checks which can verify citizenship for the applicant and family members, verification of birth, education, employment history, and military history.
Answer Wiki. Secret is the most common security clearance. A security clearance is not only given to the military, but to civilian government employees and contractors. A clearance is given based on the following criteria: Successful completion of a background investigation, adjudication to the level of access needed to perform the job.