Pretty sure VxWorks is still used today for a lot of spacecraft; Curiosity[^1] and at least at one point the SpaceX Dragon capsule[^2] it looks like. ^1: http:

Pretty sure VxWorks is still used today for a lot of spacecraft; Curiosity[^1] and at least at one point the SpaceX Dragon capsule[^2] it looks like. ^1: http://www.windriver.com/announces/curiosity/ http://www.windriver.com/announces/curiosity/ ^2: http://www.spacex.com/sites/spacex/files/pdf/DragonLabFactSheet.pdf http://www.spacex.com/sites/spacex/files/pdf/DragonLabFactSh...