ORLANDO, Fla. — Tuesday marks a major milestone at Orlando International Airport.

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The new $3 billion terminal, Terminal C, will open with 15 gates for domestic and international fights.

Channel 9 got an early look inside the new terminal back in April.

READ: Orlando International Airport gives update on Terminal C opening

It will house 10 automated screening lanes at TSA checkpoints. The typical TSA checkpoint can handle 150 passengers per hour – these new ones can take up to as many 250 passengers.

VIDEO: Terminal C opens at OIA Tuesday. Here’s what to expect Terminal C opens at OIA Tuesday. Here’s what to expect

There will be 15 gates inside the new terminal ready for domestic and international flights, and it can handle up to 20 aircraft.

Terminal C is expected to serve an additional 10 to 12 million travelers a year.

READ: New Orlando terminal is $2.8 billion bet on Florida tourism

Another huge change jetsetters can expect: how they get their luggage. It will stay on one level and won’t have to be transported on carts across airport property.

Eight other airlines will soon be added to Terminal C.

READ: These airlines will move to OIA’s new Terminal C once it opens

Video: Orlando International Airport gives update on Terminal C opening Officials with Orlando International Airport gave up update Tuesday on their massive Terminal C expansion. (James Tutten, WFTV.com/WFTV)

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