Complex sentence: OTS was organized at Lackland AFB, Texas in November 1959, with the first OTS class (60-A) composed of 89 officer trainees, including 11 women, who graduated and were commissioned as 2nd Lieutenants on 9 February 1960.
Split into simpler sentences: OTS was organized at Lackland AFB, Texas in November 1959. The first OTS class (60-A) was composed of 89 trainees, including 11 women, and were commissioned as 2nd Lieutenants on 9 February 1960.