Simplify the following text for a Grade 8 native English-speaking person.
Original: First founded as a title in 1925 , in 1928 the rank became one of the first commissioned Nazi ranks and was bestowed upon those SA and SS officers who commanded units known as Standarten which were regiment-sized formations of between three hundred and five hundred men .
Simplified: First started as a rank in 1925 , in 1928 the rank became one of the first commissioned Nazi ranks and was given to S.A. and S.S. officers who commanded units known as Standarten which were between three hundred and five hundred men .