I'm surprised that the Army still allow the RAF to continue parachute training, especially as PJI's are non-combatant and definately not soldiers. I would have thought they would have their own more experienced personnel that could give a much more current 'military' slant on things.
As the main parachuting customer is the Army, I unfortunately feel this is again the PTI trade trying to justify their existence in a trade which should have been civilianised a long long time ago.