Complex sentence: It is the third squadron to be designated VP-10, the first VP-10 was redesignated VP-2D15 on 21 September 1927, the second VP-10 was redesignated VP-25 on 1 July 1939.
Split into simpler sentences: It is the third squadron to be designated VP-10. The first VP-10 was redesignated VP-2D15 on 21 September 1927 and the second VP-10 was redesignated VP-25 on 1 July 1939.