Self-Propelled Howitzer Systems (SPHS) Commercial Solutions Opening (CSO)

ate to 22 October 2025 (AMD2). 29 August 2025: Updated AoI 001 to extend the response date to 24 September 2025 (AMD1). ---------------------------------------------------------------------------------------------------------------- The 2014 Quadrennial Defense Review established innovation as a cen

tral line of effort in the national defense strategy of the United States. The decisive military advantage of the United States over its adversaries and peer competitors is steadily eroding. Consequently, under 10 U.S.C. 3458, Contracting O