Their astronaut is going to die.
Of course there are other ways...
...the Taiyang Shen booster. Our engineers have run the numbers,
and it has enough fuel for a Mars injection orbit.
Why hasn't NASA approached us?
They don't know.
Our booster technology is classified.
So if we do nothing...
The world would never know we could have helped.
Then, for the sake of argument, let's say we decide to help them...
We'd be giving up a booster and effectively cancelling Taiyang Shen.
We need to keep this among scientists, a co-operation between space agencies.