The report has raised concerns about national park access and maintenance heading into the summer travel season.

"You didn't hate me when I swam in my full uniform, hat and all, to save your child being dragged in a kayak by a rip current."

Some 1,000 NPS employees were fired, and hiring for seasonal positions was delayed. Here's what to know about the impacts already being felt at parks, and what it could mean for the busy season.