Marcos Gabriel Berríos is a major in the United States Air Force and a NASA astronaut.

[1] Berríos was born in Fort Campbell, Tennessee, United States and raised in Guaynabo, Puerto Rico.

He went to Antilles High School, in Fort Buchanan, Puerto Rico where he graduated.

He began his operational flying career in 2011 in the California Air National Guard as a HH-60G Combat Search and Rescue (CSAR) helicopter pilot with the 129th Rescue Wing at Moffett Federal Airfield in California, Berríos worked as an aerospace engineer for the U.S. Army Aviation Development Directorate also at Moffett Federal Airfield.

A distinguished pilot, Berríos has accumulated more than 110 combat missions and 1,300 hours of flight time in more than 21 different aircraft.