THE PURPOSE OF THIS TIME AND MATERIAL, LABOR HOUR, FIXED PRICE AND/OR HYBRID INDEFINITE DELIVERY/INDEFINITE QUANTITY (IDIQ) IS TO ACQUIRE PROFESSIONAL, SCIENTIFIC AND TECHNICAL SUPPORT SERVICES FOR THE U.S. DEPARTMENT OF HOMELAND SECURITY, TRANSPORTATION SECURITY LABORATORY (TSL). THE CONTRACTOR SHALL PERFORM RESEARCH, ENGINEERING, AND DEVELOPMENTAL TEST AND EVALUATION (RDT & E), TECHNICAL, AND OPERATIONAL SUPPORT SERVICES IN ACCORDANCE WITH SECTION C OF THIS INDEFINITE DELIVERY/INDEFINITE QUANTITY (IDIQ), UNDER THE FOLLOWING SUBJECT TASK AREAS: TASK AREA ONE (1): APPLIED RESEARCH AND DEVELOPMENT IN SUPPORT OF TEST AND EVALUATION OF THE MAIN PRODUCT AREAS AND TEST AND EVALUATION OF NEW PRODUCTS AND TECHNOLOGIES; TASK AREA TWO (2): DEVELOPMENTAL TEST AND EVALUATION FOR DT & E; AND TASK AREA THREE (3): APPLIED RESEARCH AND DEVELOPMENT OF NEW TECHNOLOGIES AND PRODUCTS FOR DETECTION, MITIGATION AND VULNERABILITY ASSESSMENT.