Amendment 2 to the NASA ARMD Research Opportunities in Aeronautics (ROA) 2024 NRA has been posted on the NSPIRES web site. University Leadership Initiative (ULI) provides the opportunity for university teams to exercise technical and organizational leadership in proposing unique technical challenges in aeronautics, defining multi-disciplinary solutions, establishing peer review mechanisms, and applying innovative teaming strategies to strengthen the research impact.Research proposals are sought in six ULI topic areas in Appendix D.4.Topic 1: Safe, Efficient Growth in Global Operations (Strategic Thrust 1)Topic 2: Innovation in Commercial High-Speed Aircraft (Strategic Thrust 2)Topic 3: Ultra-Efficient Subsonic Transports (Strategic Thrust 3) Topic 4: Safe, Quiet, and Affordable Vertical Lift Air Vehicles (Strategic Thrust 4)Topic 5: In-Time System-Wide Safety Assurance (Strategic Thrust 5)Topic 6: Assured Autonomy for Aviation Transformation (Strategic Thrust 6)This NRA will utilize a two-step proposal submission and evaluation process. The initial step is a short mandatory Step-A proposal due May 29, 2024. Those offerors submitting the most highly rated Step-A proposals will be invited to submit a Step-B proposal. All proposals must be submitted electronically through NSPIRES at https://nspires.nasaprs.com.An Applicants Workshop will be held on Thursday Apr 3, 2024; 1:00-3:00 p.m. ET (https://uli.arc.nasa.gov/applicants-workshops/workshop8).An interested partners list for this ULI is at https://uli.arc.nasa.gov/partners. To be listed as an interested lead or partner, please send electronic mail to hq-univpartnerships@mail.nasa.gov with "ULI Partnerships" in the subject line and include the information required for the table in that web page.