Flags are currently displayed at half-staff across the United States in honor of former President Jimmy Carter, who passed away on December 29 at the age of 100.
President Joe Biden declared January 9 as a national day of mourning, during which flags will be at half-staff at federal buildings and military posts.
The White House has mandated that flags be flown at half-staff for 30 days following Carter's death, allowing private citizens to participate as well.
Flags are flown at half-mast on ships, while half-staff refers to flags on land, indicating a difference in usage based on location.
Carter's funeral arrangements include a lying in state at the U.S. Capitol and a national funeral service scheduled for January 9.
Learn more about this observance at the original article: USA Today.