Item 2. Properties

We occupied approximately 86 million square feet of floor space on December 31, 2020 for manufacturing, warehousing, engineering, administration and other productive uses, of which approximately 93% was located in the United States. The following table provides a summary of the floor space by business as of December 31, 2020:

(1) Excludes rent-free space furnished by U.S. government landlord of 49 square feet.

(2) Other includes sites used for BCC, common internal services and our Corporate Headquarters.

At December 31, 2020, we occupied in excess of 77.4 million square feet of floor space at the following major locations:

• Commercial Airplanes – Greater Seattle, WA; Charleston, SC; Portland, OR; Greater Los Angeles, CA; Salt Lake City, UT; Canada; and Australia

• Defense, Space & Security – Greater St. Louis, MO; Greater Seattle, WA; Greater Los Angeles, CA; Philadelphia, PA; Mesa, AZ; Huntsville, AL; Oklahoma City, OK; Heath, OH; Greater Washington, DC; Australia; and Houston, TX

• Global Services – San Antonio, TX; Greater Miami, FL; Dallas, TX; Jacksonville, FL; Germany; Mesa, AZ; and Greater Denver, CO

• Other – Chicago, IL; Greater Seattle, WA; Greater Los Angeles, CA ; Greater St. Louis, MO; and Greater Washington, DC.

Most runways and taxiways that we use are located on airport properties owned by others and are used jointly with others. Our rights to use such facilities are provided for under long-term leases with municipal, county or other government authorities. In addition, the U.S. government furnishes us certain office space, installations and equipment at U.S. government bases for use in connection with various contract activities.

To support business needs, property requirements are being evaluated to align with previously announced staffing reductions, utilization studies, and strategic growth investments to optimize footprint.