Different Science
“The space station audio system is complex, allowing multiple spacecraft and modules to be interconnected, and it is common to experience noise and feedback.” The feedback has no technical impact on the crew or the craft’s operations, it added.
When astronauts perform spacewalks, or extravehicular activities (EVAs), on the International Space Station, they don their suits and enter a sealed room.
Wilmore and Williams will have to stay on the ISS a bit longer, but they are veteran astronauts and have the experience and equipment to jump right into daily life in space until they can be brought safely back to Earth.