The alleged simulated death occurred during a simulation test ran by Air Force Colonel Tucker Hamilton.
The Cold War-era plane will be updated to increase its capabilities on the modern battlefield, against both Iran and affiliated groups.
Despite sharp global inclines, the US still spends the most on its military at $877 billion in 2022
Hypersonic missiles are able fly five times faster than the speed of sound and have complex and varying flight paths, making them hard to intercept.
US Army General Mark Milley's trip comes amid Iranian nuclear advances and spiraling violence in the West Bank.
"The targeted ISIS senior leader, Hamza al-Homsi, was killed," the Defense Department said.
The US is considering sending thousands of weapons and millions of rounds of ammo seized from Iran-linked smugglers.
Meanwhile, Canadian investigators are hunting for the wreckage of a UFO that was shot down by a US jet over Yukon territory on Saturday.
“In this particular case, it was determined that this posed a reasonable threat to air traffic,” said Pentagon spokesperson Brig. Gen. Patrick Ryder.
A successful recovery could potentially give the United States insight into China's spying capabilities.