It appears to be based on the annual Bumpers Amendments...
and also one bill for research on monkeys in space. (See Tom's first link and then go to the second link.) Kerry got a NO on space issues from the NSS because he voted year after year to kill the ISS. This is actually encourging news about Kerry as we all know what a waste ISS has been, although it doesn't jive with his "let's finish what we started first" comments about the new Bush space plan.