Solid rocket boosters for shuttle Endeavour exhibit capped with nose cones The work to stand up two rockets for the launchpad-like exhibit of NASA's retired space shuttle Endeavour has been capped, literally and figuratively, with the addition of two nose cones. https://cdn.mos.cms.futurecdn.net/HQ8DqiagbM27JYssKgqT6E.jpg https://www.space.com/space-shuttle-endeavour-exhibit-srbs-stacked