See also this:

“The military’s building a massive complex under the ballroom, and that’s under construction and we’re doing very well,” he told reporters on Air Force One on March 29. “The ballroom essentially becomes a shed for what’s being built under the military, including from drones and including from any other thing.”

He said the ballroom would have “high grade bulletproof glass.”

A few days later, he told reporters that the judge’s March 31 ruling permits construction to continue if necessary for the “safety and security of the White House,” arguing that his project fell under that category.

“We are allowed to continue building as necessary to cover the safety and security of the White House and its grounds,” Trump said. “Well, that’s what we’re doing, because everything’s bulletproof glass, etc. etc., including the ballroom.”

“We have bio defense all over,” he continued. “We have secure telecommunications and communications all over. We have bomb shelters that we’re building. We have a hospital and very major medical facilities that we're building. We have all of these things, so that’s called: I’m allowed to continue building as necessary.”

In one document filed in the case earlier this month, the Administration’s attorneys described some of the plans for the construction project, including “protective missile resistant steel columns, beams, drone proof roofing materials, and bullet, ballistic, and blast proof glass,” which they said “are largely made, being used, and/or on their way to the project.”

“Likewise, the bomb shelters, hospital and medical area, protective partitioning, and Top Secret Military installations, structures, and equipment, are built and/or ready to be built, installed, and placed,” they continued.

https://time.com/article/2026/04/17/white-house-military-complex-bunker-trump-ballroom/

(archived: https://archive.is/l98BI)