How can I opt-in for TSA PreCheck® as a DOD Civilian?

DOD federal civilian employees must opt-in to TSA PreCheck® at the ID Card Office Online. After selecting the "My Profile" and the "CIV" menu tab when logged into the website, users will be guided through the opt-in process for TSA PreCheck. Civilian employees need to opt-in only once. For more information about TSA PreCheck for DOD Civilian employees, please visit milConnect. Members of the U.S. Armed Forces do not need to opt-in.