The US Navy experienced for the first time massive Japanese suicide mission against ships. They sunk the escort carrier Bismarck Sea and heavily damaged the fleet carrier Saratoga. Although, the invasion was secured in a short period of time, it caused high number of casualties. There were 6,821 Americans dead and 20,000 wounded. More than 22,000 of the Japanese defenders were killed.
The island served as an emergency landing site for B-29 bombers. Monument depicting Rosenthaul's picture of US Marines placing the US flag when
Iwo Jima was conquered(NAIL)
The last battle of the Pacific. Kamikaze attacks inflicted the US forces with a lot more casualties. The Army lost 4000 soldiers, and the Marines lost 2938 soldiers. Thirty-eight ships sunk and 763 aicraft destroyed. More than 160,000 Japanese died in the course of the invasion.

Nimitz came to the United States as a hero. Nimitz was honored at parades in Washington, San Francisco, New York, and Texan cities.

At his death the United States flag was flown at half-mast. This is an honor only given to few.