What requirement for dependent family member ager 14 and older traveling outside CONUS?

When a dependent family member aged 14 and older is traveling outside the Continental United States (CONUS), they typically need to have a notarized letter of consent from their legal guardian or parent. This letter should include details such as the travel destination, dates of travel, and the contact information of the guardian. Additionally, the dependent may need to carry appropriate identification, such as a passport, and comply with any specific travel regulations of the destination country. It's essential to check with the relevant military or government authorities for any additional requirements.