The award was first authorized by President Abraham Lincoln on , initially only for the Navy and Marine Corps. An Army version was established months later in 1862.
In its early years, the medal was awarded more frequently; over 40% of all Medals of Honor were given during the Civil War. medal of honor
After World War I, criteria became significantly more stringent. It is now a rare award reserved for acts of extreme self-sacrifice in combat. The award was first authorized by President Abraham
Recipients are celebrated for embodying six core traits: Courage, Sacrifice, Patriotism, Citizenship, Integrity, and Commitment . the medal was awarded more frequently