The system started to officially change with the arrival of 99 Cadet Entry in September 1968. The graduate system was announced and quite a few of 99 elected to change streams . Most , following Interviews , getting away to University on APO Commissions in Sep 69.( to return in 1972 in most cases).
100 arrived in Sep 69 and 101 in Sep 70, The last Flight Cadet Entries.
The Graduate System ( GE) overlapped from 1970 onwards .......