"Want to #BeAnAstronaut?"

In an Instagram post Wednesday, NASA announced that it's looking for a new batch of potential astronauts and explained the application process.

"From pilots and engineers, to scientists and medical doctors, we select qualified astronaut candidates from a diverse pool of U.S. citizens with a wide variety of backgrounds," NASA said in the post.

NASA also took to Twitter to publicize the application process.

Want to #BeAnAstronaut? Applications for our next astronaut class open on Dec 14! Info here: https://t.co/wVRg45d3Iq https://t.co/MGwlrDk2QK — NASA (@NASA) November 4, 2015

NASA will begin accepting applications on December 14 and will take submissions through mid-February. The agency said it plans to announce the new astronaut candidates in mid-2017.

It added that it's calling for astronauts "in preparation for our journey to Mars." It also said that launches would again take place from Florida's Space Coast on American-made spacecraft.