Item 2. Properties

At December 31, 2018, we had approximately 53 million square feet of floor space at 548 separate locations, primarily in the U.S., for manufacturing, warehousing, research and testing, administration and various other uses.

At December 31, 2018, we leased to third parties approximately 317,000 square feet of our owned and leased facilities.

At December 31, 2018, we had major operations at the following locations:

-20-

NORTHROP GRUMMAN CORPORATION

Aerospace Systems

Azusa, Carson, El Segundo, Manhattan Beach, Mojave, Oxnard, Palmdale, Redondo Beach and San Diego, CA; Melbourne and St. Augustine, FL; Devens, MA; Moss Point, MS; and Oklahoma City, OK.

Innovation Systems

Chandler, Gilbert, Mesa and Tempe, AZ; Los Angeles and San Diego, CA; Beltsville, Cumberland and Elkton, MD; Eden Prairie, Elk River and Plymouth, MN; Independence, MO; Iuka, MS; Beavercreek, OH; Fort Worth, TX; Brigham City, Clearfield, Magna and Tremonton, UT; Dulles, Radford and Sterling, VA; and Rocket Center, WV.

Mission Systems

Huntsville, AL; McClellan, Redondo Beach, San Diego, Sunnyvale and Woodland Hills, CA; Aurora and Colorado Springs, CO; Apopka, FL; Rolling Meadows, IL; Annapolis, Annapolis Junction, Elkridge, Halethorpe, Linthicum and Sykesville, MD; Bethpage and Williamsville, NY; Beavercreek and Cincinnati, OH; Salt Lake City, UT; and Chantilly, Charlottesville, Fairfax, McLean and Richmond, VA. Locations outside the U.S. include Germany, Italy and the United Kingdom.

Technology Services

Sierra Vista, AZ; Warner Robins, GA; Lake Charles, LA; Baltimore, MD; and Herndon, VA. Locations outside the U.S. include Australia and France.

Corporate

Falls Church and Lebanon, VA and Irving, TX.

The following is a summary of our floor space at December 31, 2018:

We maintain our properties in good operating condition and believe the productive capacity of our properties is adequate to meet current contractual requirements and those for the foreseeable future.