This notice is a pre-solicitation for screening services at airports participating in the Screening Partnership Program. The Department of Homeland Security Transportation Security Administration intends to issue solicitation HSTS05-15-R-SPP047 for comprehensive screening of passengers and personal property at participating airports. Services will be provided under an Indefinite Delivery, Indefinite Quantity contract with multiple awards. The North American Industry Classification System code for these screening services is 561612. Interested parties should monitor the site for pre-proposal site visits and the posting of the solicitation. The notice details how to request access to sensitive security information required to participate.