How to Perform Union Operation in Data Flow Task in SSIS Pacakge

In this video of SQL Server Integration Services(SSIS) Tutorial, you learn the answer of SQL Server Integration Services(SSIS) Question
"There is no Union Transformation in SSIS. How do you perform UNION operation using built-in Transformation?"

How to Perform Union Operation in Data Flow Task in SSIS Pacakge - SQL Server Integration Services(SSIS) Tutorial