NASA wants to fly another 1-year astronaut mission. But when will it happen? 

 Frank Rubio recently became the first American to spend more than a year in space on a single mission. When will the agency send another astronaut up for a full turn around the sun? 

https://cdn.mos.cms.futurecdn.net/Qjrt3LjfYEasu2YhenNd9H.jpg

https://www.space.com/nasa-one-year-astronaut-mission-timeline