Item 2. Properties

Operating Facilities

We own our corporate headquarters in Atlanta, Georgia, our UPS Supply Chain Solutions headquarters, located in Alpharetta, Georgia and our information technology headquarters, located in Parsippany, New Jersey. Our primary information technology operations are consolidated in an owned facility in New Jersey and we own a backup facility in Georgia.

We own or lease over 1,000 package operating facilities in the U.S., with approximately 85 million square feet of floor space. These facilities have vehicles and drivers stationed for the pickup and delivery of packages, and capacity to sort and transfer packages. Our larger facilities also service our vehicles and equipment, and employ specialized mechanical equipment for the sorting and handling of packages. We own or lease approximately 800 facilities that support our international package operations, with approximately 21 million square feet of floor space.

Our aircraft are operated in a hub and spoke pattern in the U.S., with our principal air hub, Worldport, located in Louisville, Kentucky. Our major air hub in Europe is located in Germany, and in Asia we operate two major air hubs in China and one in Hong Kong.

We own or lease more than 600 facilities, with approximately 47 million square feet of floor space, which support our freight forwarding and logistics operations. This includes approximately 17 million square feet of healthcare-compliant warehousing. We own and operate a logistics campus consisting of approximately 4 million square feet in Louisville, Kentucky.

Fleet

Aircraft

The following table shows information about our aircraft fleet as of December 31, 2022:

(1) Six MD-11 aircraft are expected to be retired from operational use during 2023. During the fourth quarter of 2022, we reduced the estimated salvage value of our MD-11 fleet. For additional information see "Critical Accounting Estimates" within Item 7. "Management’s Discussion and Analysis of Financial Condition and Results of Operations" in Part II of this report.

Vehicles

We operate a global ground fleet of approximately 125,000 package cars, vans, tractors and motorcycles, including more than 15,000 alternative fuel and advanced technology vehicles.