Great Depression, even before the Wall Street Crash of 1929. Housing prices dropped dramatically in the county, with the total real estate value in West Palm Beach falling to $41.6 million in 1930 and then to $18.2 million in 1935. However, the decade also brought an airport to the county. Morrison Field, later renamed the Palm Beach International Airport, opened in 1936. After the U.S. entered World War II, it was converted to an Air Force Base in 1942. During the war, thousands of servicemen arrived in Palm Beach County for training and supporting the war effort. Following the conclusion of World War II, a number of veterans returned to the area for work, vacation, or retirement. The base was closed and became a commercial airport again in 1962. Migration to the county by workers, tourists, and retirees continued into the 21st century. On August 28, 1949, a category-4 hurricane struck Lake Worth Beach with maximum sustained winds of 130 mph (215 km/h), causing considerable damage. Throughout Palm Beach County, the hurricane destroyed 65 homes and damaged 13,283 others. The area's first television station, WIRK-TV Channel 21, began broadcasting on September 13, 1953. It went off the air less than three years later. However, NBC affiliate WPTV-TV and CBS affiliate WPEC first aired in 1954 and 1955, respectively – both of which are still in existence today. Richard Paul Pavlick nearly attempted to assassinate then President-elect John F. Kennedy while the family vacationed in Palm Beach in December 1960. On December 11, Pavlick forwent his attempt because Kennedy was with his wife, Jacqueline, and their two children. Four days later, Pavlick's car, which had sticks of dynamite inside, was surrounded by police and he was arrested. Charges against Pavolick were dropped on December 2, 1963, 10 days after Kennedy was assassinated in Dallas, Texas. Additionally, a secret blast shelter was built on Peanut Island during his presidency because escalating Cold War tensions. Hurricane David struck near West Palm Beach late on September 3, 1979, with sustained winds of 100 mph (155 km/h). The storm's winds shattered windows in stores near the coast and caused property damage. A few roofs were torn off, and numerous buildings were flooded from over 6 in (150 mm) of rainfall. Damage in the county reached $30 million, most of which was incurred to agriculture. The county became the center of controversy during the 2000 presidential