The Ingenuity helicopter is preparing for its historic flight on Mars Monday if everything goes according to plan. The first powered, controlled flight on another planet will take place at 3:30 a.m. ET on April 19, according to NASA.

The Ingenuity helicopter is preparing for its historic flight on Mars Monday if everything goes according to plan. The first powered, controlled flight on another planet will take place at 3:30 a.m. ET on April 19, according to NASA.