"For exploring the outer planets, are Solar Sails, Ion Drives or Attomic propulsion systems likely to become a practical reality in the near future?"
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The NAI Director's Discretionary Fund
The NAI Director’s Discretionary Fund (DDF) awards funds for research and workshops that advance the science of astrobiology, demonstrate impact to NASA’s space flight programs or its broader science activities, and/or contribute to NASA’s role as a federal R&D agency. The Lead Investigator for all DDF proposals must be associated with an active NAI team, but a team Principal Investigator may designate any investigator a member of that team for the purpose of submitting a proposal. All proposals must be accompanied by a letter of endorsement from the Principal Investigator of each NAI team involved.
