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.
In the US Military a Secret security clearance is the second level of trust. 1.) Confidential is the minimum clearance and is given to all service members upon enlistment. 2.) Secret is the next level, and allows a person operational information and intel that is more sensitive than that covered by Confidential. 3.) Top Secret is the next to highest security level, and covers Op and Intel that is even more sensitive. 4.) Crypto is the highest clearance. 5.)