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.
Certified Mail and Registered Mail are two USPS services that provide proof that an envelope or package reached its destination. The primary differences between Certified Mail and Registered Mail involve mail handling and the level of security used to protect mail from loss, damage or theft.