Complex sentence: Of the 1,500 men to volunteer for the original Ranger Battalion, only 600 were chosen and on June 19,1942, Company A, 1st Ranger Battalion, was officially activated.
Split into simpler sentences: Of the 1,500 men to volunteer for the original Ranger Battalion, only 600 were chosen. On June 19,1942, Company A, 1st Ranger Battalion, was officially activated.