4 ms·Not if launched in space.by valuearb 6y agoNot if launched in space.rbanffy 6y agoBut then you'd need to launch Orion's mass to LEO. It'd be a good couple Skylab-sized Saturn V launches.valuearb 6y agoThe mass was a minor part. Launching hundreds of nukes into orbit was the real blocker.rbanffy 6y agoI can imagine the meetings.