Volunteers Line Up For Tito’s Mars Flyaround, Aviation Week “Doug Cooke, a recently retired top NASA manager who spearheaded exploration-systems development for the agency, has joined the private group’s board advisors, MacCallum said. … MacCallum said work has already started on ground facilities to test the life support hardware, which will be largely crew tended for simplicity, but will be designed effectively to give two-fault-tolerant redundancy comparable to NASA safety […]