The Naval Sea Systems Command intends on awarding a sole source order under Basic Ordering Agreement N00024-22-G-5311 to Raytheon, Marlborough, MA for the waveguide product improvement effort pursuant to FAR 6.103-1, Only One Responsible Source and No Other Supplies or Services will Satisfy Agency Requirements. This requirement will improve the waveguide operational availability within the SPY-1 Transmitter, Final Power Amplifier through engineering and provide production units.