United States Code
University of Southern California
University of South Carolina
Unified soil classification
Uchinoura Space Center
Ulster Special Constabulary
Under Separate Cover
United States citizen
universal service contract
Unless sooner commenced
User Security Component
U S CAN CORPORATION
Ultra Selective Cracking
Ultra-Selective Conversion
Under Secretaries Committee
Unified Space Command
uniform soil classification
Union School Corporation
unique sequence component
Unit Security Contact
United Somali Congress
United States Check Airlines
United States Census
United States Congress
Universal Service Charge
Universal Service Circuit
Universal Service Code
Universidad de San Carlos
Universidad de Santiago de Chile
Universidad de Santiago de Compostela