Your federal government publishes A LOT of magazines:
“This online catalog lists Government periodicals and subscription services offered for sale by the Superintendent of Documents, U.S. Government Printing Office (GPO). These materials represent a wealth of timely information from many areas of interest, published by a wide variety of Federal agencies in print, microfiche, and electronic formats.
The Superintendent of Documents offers three types of subscriptions:
Dated periodicals are issued on a regular basis, such as daily, weekly, monthly, or quarterly. These subscriptions begin with the next issue after your order has been processed.
Irregular subscriptions have no fixed date of issuance. These subscriptions begin with the next issue after your order has been processed.
Basic manuals with supplements begin with the issuance of the basic material and continue with subsequent supplements.”