I didn't like this story.
Basically it's dull and unexciting. And not very interesting.
And it's predictable. There's already been a few stories written about someone sneaking onto a rocket that is, predictably, going to be blown up. It was the Era of the Cold War after all.
And there's no dramatic tension in the story. Bobby sneaks onto the rocket and we leave him hiding there. Dad comes home from work, pecks his wife on the face and goes looking for Bobby.
Bobby is in bed. We are told, in hindsight, he came home because he chickened out and left the rocket.
And they all lived happily ever after, and went on to fight the Cold War another day.
Fizzle.
The story needed drama, a building up of the danger Bobby was in, a heightening of the tension as "ZERO HOUR" approaches.
Instead we get......fizzle.