psyop-military actions designed to influence the perceptions and attitudes of individuals, groups, and foreign governments.
Choose certified mail when you need proof of delivery and time is of the essence. Registered mail is the Postal Service's most secure form of mail delivery, involving an unbroken chain of custody. Registered mail is protected in sealed containers, safes and cages, and held under lock and key.
The Postal Service does not consider either certified mail service or registered mail service to be classes of mail. They are both add-on services. Certified mail service and registered mail service must be purchased in addition to regular postage for the class of mail that you are sending.You can only add certified mail service or registered mail service to first-class mail, priority mail or first-class package service.hoose certified mail when you need proof of delivery and time is of the essence. Registered mail is the Postal Service's most secure form of mail delivery, involving an unbroken chain of custody.