Revised Proposal Due Dates for NASA UAM Grand Challenge Announcement of Collaborative Partnership Opportunities

We are sending an update to the ARMD Urban Air Mobility Grand Challenge (GC) Announcement of Collaborative Partnership Opportunities (ACO). We understand that the multiple due dates, added to the change over from FedBizOpps to BETA.SAM.gov, created some confusion regarding the proposal process and when proposals should be submitted. To address any confusion, we have unified the proposal due ["]