The Department of Homeland Security Transportation Security Laboratory (TSL) has issued a pre-solicitation notice seeking technical services to support research, engineering, development, test and evaluation (RDT&E) services, and laboratory operations, supplemental laboratory and test range facilities. The planned procurement includes a partial small business set-aside. The anticipated contract is a multiple award indefinite delivery, indefinite quantity contract with the capability to issue cost-plus, firm fixed-price or hybrid task orders. The contracts will include a one-year base and four one-year options. An industry day will be held on July 22 at the TSL in Atlantic City. One-on-One sessions will be held with small businesses on July 23. Sol. No. TSL_RDTE. Respond by July 9. Contact: Malika Harris, contracting officer, [email protected].