Congress will examine misconduct and unethical behavior at the National Park Service just days before the Obamas celebrate the service's 100th anniversary with trips to two national parks.

The House Government Oversight and Reform Committee will hold a hearing Tuesday examining accusations of misconduct in the National Park Service. Director Jonathan Jarvis and Mary Kendall, the deputy inspector general of the Department of Interior, are expected to testify.

The committee plans to examine how the service handles misconduct and unethical behavior and how the national parks can improve accountability practices. According to the oversight committee, the National Park Service does not hold its employees accountable for their actions. The committee cited multiple incidents in which employees have been able to move laterally within the department or retire to avoid being disciplined.

There have been problems regarding sexual abuse and harrassment among park service employees. Earlier this year, the Department of Interior's inspector general found that 35 women were sexually abused or harrassed at Grand Canyon National Park on canoe trips down the Colorado River. Three of the four culprits, who all work at the park, were punished.

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