Before revision: CubeSail is a low-cost spacecraft propulsion demonstration mission using two identical 1.5U CubeSat satellites to deploy a long, solar sail ribbon between them.CubeSail Homesite.
After revision: CubeSail was a 2018 low-cost spacecraft propulsion demonstration mission using two identical 1.5U CubeSat satellites to deploy a long, solar sail ribbon between them.CubeSail Homesite.