C-130J-30 A97-450 over Sydney Harbour during a two-ship flight on July 17, 2013 staged to mark No.37 Squadron’s 70th anniversary.

C-130J-30 A97-450 over the Blue Mountains during a two-ship flight on July 17, 2013 staged to mark No.37 Squadron’s 70th anniversary.

Wg Cdr Darren Goldie, Commanding Officer of No.37 Squadron.

No.37 Squadron celebrated its 70th anniversary with a two-ship flight over Sydney Harbour, the Blue Mountains, and a paradrop over the Londonderry drop zone near Richmond on July 17, 2013.

An RAAF loadmaster watches a C-130J Hercules engine start up prior to leaving Momote airfield, Manus Island.

A member of an RAAF air load team marshals a forklift into position behind a C-130J to remove an aircraft pallet of stores at Momote airfield, Manus Island.

Maintenance reforms carried out on the RAAF's fleet of 12 C-130J Hercules have increased the availability of aircraft by eight per cent, the equivalent of an extra C-130J being available for missions.

Maintenance reforms carried out on the RAAF's fleet of 12 C-130J Hercules have increased the availability of aircraft by eight per cent, the equivalent of an extra C-130J being available for missions.

Australian Aerospace is one of the prime contractors responsible for through-life support of the C-130J, and contributed significant work to reviewing how the C-130J maintenance is planned and conducted, leading to these reforms.

Sqn Ldr Ben Poxon (left) and Flt Lt Brad Drew run through pre-flight checks in a C-130J Hercules cockpit before they depart the Delamere range airstrip during Exercise Aces North 2013.

No.37 Squadron celebrated its 70th anniversary with a two-ship flight over Sydney Harbour, the Blue Mountains, and a paradrop over the Londonderry drop zone near Richmond on July 17, 2013.