I'm stunned to find out that, unless several searches failed to work properly, there is no thread for the Martin "EGRESS" (EMERGENCY GLOBAL RESCUE, ESCAPE, AND SURVIVAL SYSTEM) capsule. This was a modification of the ejection capsule used on the B-58... fitted with a heat shield, de-orbit motor and attitude control thrusters, it could be used up to orbit, with the ability to protect one or two crewmen through re-entry.
The best thing about EGRESS was this little detail in the concept art...
The best thing about EGRESS was this little detail in the concept art...