The National Air and Space Museum in Washington, D.C. is open for the first time in four years this weekend.

Work is still underway but this is a major milestone. The east wing of the museum won't be finished until 2025.

There are a lot of reasons to visit right now. There are improvements to other parts of the building as well as the new exhibits that were unveiled Friday. New technological improvements will be available to visitors immediately at the building's planetarium.

You might want to plan ahead if you want to visit in the future. Anticipating strong demand, the museum is controlling crowd sizes with free timed-entry passes. You can get passes online.

There weren't any passes left for the first couple of weekends, but there are plenty available during the week and from late October on.

Same-day passes will be released at the museum each day.

The first part of the renovated museum has been unveiled.

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What you'll see

New and fan favorites can be seen at the museum.

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The Apollo 11 command module used to help land humans on the Moon is one of the exhibits.

The Apollo 11 command module Columbia will be housed in a climate-controlled case as the centerpiece of the 'Destination Moon' exhibition.

The 1903 Wright Flyer will be displayed in a new environment that tells the story of the invention of flying.

The full-size X-Wing Starfighter from "The Rise of Skywalker" will be displayed for the first time.

The Northrop T-38 Talon and the Extra 260 hang together in the renovated west end of the Smithsonian’s National Air and Space Museum in Washington, D.C. JIM PRESTON/NATIONAL AIR AND SPACE MUSEUM

Christine Gallipeau said she was drawn to the Apollo 11 command module when she first visited the museum. Since I grew up in Florida by the Kennedy Space Center, anything space shuttle- or rocket- themed is very interesting to me.

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AvGeeks might be drawn to some of the displays that will be unveiled later this year.

The history of U.S. air transportation is examined in the exhibit " America by Air". The Wright brothers' first flights in 1903 and the start of World War I in 1914 are explored in the book " Early Flight."

If you want to learn more about the Wright brothers, you can visit a second exhibit. One of the museum's most famous artifacts is the 1903 Wright Flyer.

A view inside the nearly finished “Early Flight” exhibition, which is available to see in the reopened portion of the museum. NATIONAL AIR AND SPACE MUSEUM

The Kenneth C. Griffin Exploring the Planets Gallery is an exhibit that draws on research from the center for earth and planetary studies.

Browne said that this is one of the most exciting times in the museum's history. When we open the first reimagined galleries, we want visitors to be inspired by artifacts on display for the first time, favorite icons of aerospace presented in new ways and diverse stories.

Non-exhibit areas open

The museum has eight new and renovated exhibitions, as well as the reopening of the planetarium, which has new abilities that allow it to connect to other countries. Mars Cafe is open as well.

The museum has renovated all of its exhibition spaces. The crews are1-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-65561-6556 The Imax theater and other parts of the museum are expected to gradually reopen as renovations on the east side of the building continue. The east side of the building will be finished in 25 years.

How to get to the museum

The National Air and Space Museum is located on the National Mall and is close to many other museums. Finding a spot in the museum's metered parking can be difficult and can cost a lot. If you want to reserve a spot near the museum, you should use Park Whiz.

L'Enfant Plaza is the closest Metro station to the museum.

Bottom line

This week's reopening of the west end of the National Air and Space Museum is a major step for its fans, who will be able to tour its exhibits for the first time in over a year.

Washington DC has cherry blossoms.

Sean Cudahy reports additional reports.

The photo was provided by the National Air and Space Museum.