Construction near logan airport

What is the red building next to Logan Airport?

The distinctive Terminal E not only looks futuristic from the outside, its architect describes the interior as the next generation in airport design.
You can refer to the color of the soon-to-open Terminal E at Logan Airport as lipstick red, scarlet, vermillion, cardinal, or, perhaps, ruby._{Apr 14, 2023}.

1. L/2
2. R: 7,864 ft \xd7 150 ft (2,397 m \xd7 46 m)