President Trump's $400 million ballroom project has sparked controversy, with the administration claiming it constitutes a national security threat. This comes after a federal judge ruled that construction must stop except where it is necessary for the safety and security of the White House and the president. The ballroom is designed to be used as a space for state dinners, galas, and other events. It will also house top secret military installations, medical facilities, and bomb shelters. The new ballroom will sit atop a new Presidential Emergency Operations Center (PEOC), which dates back to World War II and was approved by the National Capital Planning Commission. However, critics argue that revealing any details about the construction of the PEOC could pose risks.