9-year-old applies for alien-fighting job, NASA responds

A 9-year-old boy answered a call from NASA to protect Earth from aliens - and got an encouraging response to his job application.

"My name is Jack Davis and I would like to apply for the planetary protection officer job," the fourth-grader wrote in a letter. "I may be nine but think I would be fit for the job. One of the reasons is my sister says I am an alien also I have seen almost all the space and alien movies I can see."

The job advertisement for a planetary protection officer explained that space missions sometimes introduce Earth organisms into other parts of the solar system.

In technical terms, the officer would assist with the "avoidance of organic-constituent and biological contamination in human and robotic space exploration."

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