(Trent Nelson | The Salt Lake Tribune) The Delta Tower at the Salt Lake City International Airport is demolished on Monday, Feb. 15, 2021. The tower was originally built around 1989-90 for Delta Air Lines to direct aircraft to their gates after the FAA hands over the planes. The tower, which stands at 84 feet high, continued to operate until The New SLC opened on Sept. 15 and the replacement Delta tower became operational.(Trent Nelson | The Salt Lake Tribune) The Delta Tower at the Salt Lake City International Airport is demolished on Monday, Feb. 15, 2021. The tower was originally built around 1989-90 for Delta Air Lines to direct aircraft to their gates after the FAA hands over the planes. The tower, which stands at 84 feet high, continued to operate until The New SLC opened on Sept. 15 and the replacement Delta tower became operational.(Trent Nelson | The Salt Lake Tribune) Crews prepare to bring down the Delta Tower at the Salt Lake City International Airport on Monday, Feb. 15, 2021. The tower was originally built around 1989-90 for Delta Air Lines to direct aircraft to their gates after the FAA hands over the planes. The tower, which stands at 84 feet high, continued to operate until The New SLC opened on Sept. 15 and the replacement Delta tower became operational.