Making a move? Need a home? Published March 10, 2010 KEESLER AFB, Ms. -- The Automated Housing Referral Network, sponsored by the Department of Defense, is a free service designed to improve the process of securing available housing for relocating military members and their families. The Web site, www.ahrn.com was created exclusively for military to post homes for rent and sale to the Internet. In 2009, total registrations numbered 187,352, so the site is active. As of February, AHRN is available at 440 military installations throughout the United States and 17 installations in Europe.