Question: World UFO Day is celebrated on the day an American aviator claimed to see nine unusual objects flying near where?

full_context: Document 1: Rendlesham Forest incident: In late December 1980, there were a series of reported sightings of unexplained lights near Rendlesham Forest, Suffolk, England, which have become linked with claims of UFO landings. The events occurred just outside RAF Woodbridge, which was used at the time by the U.S. Air Force. USAF personnel, including deputy base commander Lieutenant Colonel Charles I. Halt, claimed to see things they described as a UFO sighting.
Document 2: Phoenix Lights: The Phoenix Lights was a mass UFO sighting which occurred in Phoenix, Arizona, and Sonora, Mexico on Thursday, March 13, 1997.
Document 3: Howard Hughes: Howard Robard Hughes Jr. (December 24, 1905 – April 5, 1976) was an American businessman, investor, pilot, film director, and philanthropist, known during his lifetime as one of the most financially successful individuals in the world. He first made a name for himself as a film producer, and then became an influential figure in the aviation industry. Later in life, he became known for his eccentric behavior and reclusive lifestyle—oddities that were caused in part by a worsening obsessive–compulsive disorder (OCD) and chronic pain from a plane crash.
Document 4: Kenneth Arnold: Kenneth A. Arnold (March 29, 1915 – January 16, 1984) was an American aviator and businessman. He is best known for making what is generally considered the first widely reported unidentified flying object sighting in the United States, after claiming to have seen nine unusual objects flying in tandem near Mount Rainier, Washington on June 24, 1947.
Document 5: Kenneth O. Chilstrom: Kenneth O. "K.O." Chilstrom (born April 20, 1921) is a retired United States Air Force officer, combat veteran, test pilot, and author. He was the first USAF pilot to fly the XP-86 Sabre, chief of fighter test at Wright Field, commandant of the U.S. Air Force Test Pilot School, and program manager for the XF-108 Rapier. Chilstrom was a pilot in the first jet air race and delivered the first air mail by jet. He flew over eighty combat missions in the Italian Campaign of World War II and tested over twenty foreign models of German and Japanese fighters and bombers to evaluate their strengths and weaknesses.
Document 6: Nash-Fortenberry UFO sighting: The Nash-Fortenberry UFO sighting was an unidentified flying object sighting that occurred on July 14, 1952, when two commercial pilots (William B. Nash and William H. Fortenberry) claimed to have seen eight UFOs flying in a tight echelon formation over Chesapeake Bay in the state of Virginia.
Document 7: Steve Fossett: James Stephen "Steve" Fossett (April 22, 1944 – c. September 3, 2007) was an American businessman and a record-setting aviator, sailor, and adventurer. He was the first person to fly solo nonstop around the world in a balloon. He made his fortune in the financial services industry and was best known for many world records, including five nonstop circumnavigations of the Earth: as a long-distance solo balloonist, as a sailor, and as a solo flight fixed-wing aircraft pilot.
Document 8: World UFO Day: World UFO Day is an awareness day for people to gather together and watch the skies for unidentified flying objects. The day is celebrated by some on June 24, and others on July 2. June 24 is the date that aviator Kenneth Arnold reported what is generally considered to be the first widely reported unidentified flying object sighting in the United States, while July 2 commemorates the supposed UFO crash in the 1947 Roswell UFO Incident.
Document 9: Kenneth Arnold UFO sighting: The Kenneth Arnold UFO sighting occurred on June 24, 1947, when private pilot Kenneth Arnold claimed that he saw a string of nine, shiny unidentified flying objects flying past Mount Rainier at speeds that Arnold estimated at a minimum of 1,200 miles an hour (1,932 km/hr). This was the first post-War sighting in the United States that garnered nationwide news coverage and is credited with being the first of the modern era of UFO sightings, including numerous reported sightings over the next two to three weeks. Arnold's description of the objects also led to the press quickly coining the terms "flying saucer" and "flying disc" as popular descriptive terms for UFOs.
Document 10: Aviator Arena: Aviator Arena Sports and Recreation Facility is located on the site of the former Floyd Bennett Field in Brooklyn, New York. Aviator Arena hosts sporting events and shows throughout the year, and the occasional air show. The field outside the arena is still used as an official heliport by the New York Police Department (NYPD). Once inside the indoor entrance to Aviator Arena, an entire inner wall tribute several stories high is dedicated to the history of Aeronautics which took place on the site of the sports facility and the people of flight who made the former Floyd Bennett Field famous, including: Wiley Post, the first pilot to solo around the world, who flew around the world from the field and returned to it in 7 days 19 hours and 49 minutes in July 1933; and billionaire Howard Hughes, who flew 14791 mi around the world from Floyd Bennett Field in July 1938 and returned to it with a crew of four men in 3 days, 19 hours, 8 minutes, 10 seconds to collect important navigational data.
Document 11: Sperry UFO case: The Sperry UFO case was a sighting of an Unidentified Flying Object by the captain, Willis Sperry, and other crew of an American Airlines DC-6 airborne near Mount Vernon, Maryland on 29 May 1950.
Document 12: Mariana UFO incident: The Mariana UFO Incident occurred in August 1950 in Great Falls, Montana. The film footage of the sighting is believed to be among the first ever taken of what came to be called an unidentified flying object, and was investigated by the US Air Force.
Document 13: Edward J. Ruppelt: Edward J. Ruppelt (July 17, 1923 – September 15, 1960) was a United States Air Force officer probably best known for his involvement in Project Blue Book, a formal governmental study of unidentified flying objects. He is generally credited with coining the term "unidentified flying object", to replace the terms "flying saucer" and "flying disk" - which had become widely known - because the military thought them to be "misleading when applied to objects of every conceivable shape and performance. For this reason the military prefers the more general, if less colorful, name: unidentified flying objects. UFO (pronounced Yoo-foe) for short."
Document 14: Kaikoura lights: The Kaikoura lights is a name given by the New Zealand media to a series of UFO sightings that occurred in December 1978, over the skies above the Kaikoura mountain ranges in the northeast of New Zealand's South Island. The first sightings were made on 21 December when the crew of a Safe Air Ltd cargo aircraft began observing a series of strange lights around their Armstrong Whitworth AW.660 Argosy aircraft, which tracked along with their aircraft for several minutes before disappearing and then reappearing elsewhere, the UFO was very large and had five white flashing lights that were visible on the craft. Some people say that they could see some little disks drop from the UFO and then disappear (they were never found). The pilots described some of the lights to be the size of a house and others small but flashing brilliantly. These objects appeared on the air traffic controller radar in Wellington and also on the aircraft's on-board radar.
Document 15: Charlie Johnson (pilot): Charles (Charlie) Johnson is a former president of Cessna Aircraft. He was born in 1942 in Georgia and grew up in Memphis. He has always been passionate about technology. Because he was also passionate about flight, he joined the Air Force. He fought in the Vietnam War flying the T-33, T-37, T-38, and the F-105. After the Vietnam War he continued with his love of flying. Johnson was a personal pilot for Arnold Palmer. After this he became a test pilot for Learjet. Soon after he rose through the ranks of Cessna to President and COO of Cessna Aircraft. Johnson joined Bye Aerospace in 2014 and was inducted into the Colorado Aviation Hall of Fame the same year. He has just recently been inducted into the Kansas Aviation Hall of Fame. Johnson continues to fly and has a love of cars.
ground_truth: Mount Rainier, Washington