NASA is launching its most powerful rocket ever to the moon

NASA hopes to launch the most powerful rocket ever built on Monday

the space agency is billing as a giant leap to bring mankind to the moon's surface

However, the engineers had to solve many problems

First he was 45 minutes late due to the weather. Later, during refueling operations

the early morning, launch personnel discovered a hydrogen leak, which was later

It also had to fix his one venting issue in the core stage engine to cool it enough for takeoff.

the launch team paused the countdown while they assessed the issue