The Department of Homeland Security, US Coast Guard, has issued a Combined Synopsis/Solicitation notice for the repair of TCAS 1 Processors. TCAS 1 Processors are used in aircraft for collision avoidance purposes. The notice specifies that a firm-fixed price Indefinite Delivery Requirements type contract will be awarded, consisting of a one-year base period and up to four one-year option periods. The closing date for receipt of offers is June 15, 2023, at 1:00 pm EST. Interested parties are required to submit their quotes and questions via email to Emma.C.Craft@uscg.mil, indicating solicitation 70Z03823QB0000179 in the subject line. Phone call quotes will not be accepted.