We don’t have a summary available yet.
The summary below was written by the Congressional Research Service, which is a nonpartisan division of the Library of Congress, and was published on Jun 10, 1992.
Grants free mailing privileges to civilians authorized to use postal services at armed forces installations in an overseas area designated by the President and who the military theater commander designates as in support of military operations. Restricts such privileges to personal letters and video- and sound-recorded communications.