RIVERSIDE (CBSLA.com) — Volunteers will fan out Friday at Riverside National Cemetery to ensure that every grave has an American flag beside it for Veterans Day.

Honoring Our Fallen has conducted flag-placing events at the cemetery since 2012.

READ MORE: 'The Public Needs To Know': High Levels Of E. Coli Bacteria Found In Echo Park Lake

The organization relies on the support of people of all ages who donate their time to plant a miniature flag adjacent to 200,000-plus graves.

The event will get underway around 2 p.m., and could take up to three hours due to fewer volunteers this year.

READ MORE: Only On KCAL 9: Tarzana Woman Tells Speaks Out On Surviving Violent Home Invasion

The cemetery lies just west of the March Air Reserve Base on the south end of Riverside.

The 900-acre property is the fourth-largest national cemetery in the country.

MORE NEWS: Rylee Goodrich Killed, Anthony Barajas On Life Support After Being Shot Inside Corona Movie Theater

(©2016 CBS Local Media, a division of CBS Radio Inc. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. Wire services contributed to this report.)