COPT Defense Properties is a fully integrated and self-managed real estate investment trust (REIT). The Company owns, operates and develops properties in locations proximate to, or sometimes containing, key United States Government (USG) defense installations and missions (Defense/IT Portfolio). Its tenants include the USG and their defense contractors, who are engaged in priority national security activities, and who generally require mission-critical and high security property enhancements. Its Defense/IT Portfolio includes 190 operating properties totaling 21.7 million square feet, comprised of 16.0 million square feet in 160 office properties and 5.7 million square feet in 30 single-tenant data center shells. It also owns 24 of these data center shells through unconsolidated real estate joint ventures. Its Defense/IT Portfolio segment includes sub-segments: Fort George G. Meade and the Baltimore/Washington Corridor, Northern Virginia Defense/IT Locations, and others.