Dive Brief:

• Turner Construction was the Corps of Engineers' choice to expand the National Air Force Museum and the project to build a fourth building with 224,000 square feet got underway this month.
• The project is budgeted at $35.4 million and the new building will house aircraft as well as having three areas that the museum calls "learning centers."
• The museum is on Wright-Patterson Air Force Base near Dayton, Ohio, and officials say it draws more than 1 million people a year.

Dive Insight:

The money for this project is coming from a foundation set up to help the museum. It has raised $85.6 million over the past 54 years and is looking for $46 million more for more construction.