​Provide a view of program technical risk, independent of the program and the chain of command leading to the MDA ,consistent with Section 2448b of Title 10, U.S.C. Are conducted on all MDAPs before approval of Milestone A, Milestone B, and any decision to enter into low rate initial production or full-rate production. Pursuant to Section 2448b of Title 10, U.S.C., are required for programs either initiated or having a Milestone A after October 1, 2017. For programs initiated or having a Milestone A before October 1, 2017, ITRAs are regulatory and may be waived at the discretion of the USD(R&E). Will consider the full spectrum of technology, engineering, and integration risk. Are conducted and approved by the USD(R&E) on all ACAT ID programs. The USD(R&E) will determine ITRA approval authority for ACAT IB/IC programs, providing periodic written notification.