Advanced Core and Termination Analysis (ACTA) Task Order under the Advanced Aerospace Systems Technology Research (AASTR) IDIQ contract. This is a task order off the AASTR IDIQ (FA2391-23-D-0002) in a... Advanced Core and Termination Analysis (ACTA) Task Order under the Advanced Aerospace Systems Technology Research (AASTR) IDIQ contract. This is a task order off the AASTR IDIQ (FA2391-23-D-0002) in accordance with the justification for an Exception to Fair Opportunity document attached. The Government currently requires a mix of research and data and software in support of continuing the research and development of an analysis tool.