Rohde & Schwarz USA Inc., Columbia, Maryland, is awarded a $62,202,863 indefinite-delivery/indefinite-quantity contract (N66001-23-D-0022) for production, integration support, production training support, and life cycle support for modern high frequency radio transceivers and associated hardware and software components. The contract includes a single five-year ordering period and a five-year option period. The option period, if exercised, would bring the cumulative value of this contract to an estimated $91,072,426. The period of performance of the base award is from Sept. 22, 2023, through Sept. 21, 2028. If all options are exercised, the period of performance would extend through Sept. 21, 2033. Work will be performed in Columbia, Maryland (98%); and, on a temporary basis, at DOD facilities (2 %, if applicable), and will be annotated at the delivery order level. Funding will be obligated via delivery orders. The predominant types of funding anticipated to be obligated on delivery orders are other procurement (Navy); and operations and maintenance (Navy). This single-award contract was not competitively procured due to circumstances permitting other than full and open competition pursuant to 10 U.S. Code 3204(a)(5), Authorized or required by statute, as implemented by Federal Acquisition Regulation (FAR) 6.302-5; and 10 U.S. Code 3204(a)(1), Only One Responsible Source, as implemented by FAR 6.302-1. Naval Information Warfare Center Pacific, San Diego, California, is the contracting activity.