Complex sentence: Nine steel hangars were constructed to serve as classrooms by 1924, however diminishing funds to the Air Service resulted in a sharp decline in the number of students and the use of the airfield during the Great Depression of the early 1930s.
Split into simpler sentences: Nine steel hangars were constructed to serve as classrooms by 1924. However, diminishing funds to the Air Service resulted in a sharp decline in the number of students and the use of the airfield during the Great Depression of the early 1930s.