Potential proposers to the New Frontiers 4 AO soliciting Principal Investigator (PI)-led science investigations utilizing a complete spaceflight mission are encouraged to attend the pre-proposal conference on Friday, January 20, 2017, from 11:00 am to approximately 3:30 pm eastern time (Washington, DC). Information will be presented by NASA officials, and participants will have the opportunity to pose questions regarding the opportunity. The conference will be virtual and participation will be facilitated via Webex and teleconference phone line. Travel to the pre-proposal conference is not necessary and attendance in person is not supported. The agenda and instructions will be posted at the NF4 acquisition website (https://newfrontiers.larc.nasa.gov/) under the Pre-Proposal tab. Attendance is open to all and no registration is required.