The Department of Defense, specifically the U.S. Army Space and Missile Defense Command (USASMDC), is notifying industry stakeholders about the posting of Amendment 0002 to Solicitation #W9113M-24-R-0070 for the Design, Development, Demonstration, and Integration II (D3I2) Domain 1 project. This amendment includes revisions to the Request for Proposal (RFP), affecting sections related to documents, instructions to offerors, and the Small Business Participation Template. The D3I2 initiative is critical for advancing national defense research and development services, particularly in the physical, engineering, and life sciences sectors. Interested parties should access the amended RFP and related documents through the Procurement Integrated Enterprise Environment (PIEE) and direct any inquiries to Jennifer Baker at jennifer.d.baker2.civ@army.mil or Aaren Strobel at aaren.j.strobel2.civ@army.mil.