For interments and inurnments conducted after 1999 you can locate your loved one's gravesite on the Nationwide Gravesite Locator on the Department of Veteran Affairs' website.
Please be sure to select "Arlington National Cemetery, VA" in the "Cemetery" drop down menu.
The cemetery is working to ensure all individuals interred or inurned are searchable via this database.
For information on American burial grounds or monuments outside of the
United States, please visit the American Battle Monuments Commission website.