They have proven themselves both in Australia and on operations overseas, including in Somalia, Timor Leste, the Solomon Islands, Iraq and Afghanistan.
The original army contract called for a variety of unusual features including being able to sustain being hung from a helicopter by one corner without causing the chassis to distort.
As of February 2013 the Perenties are being disposed of, with the remaining in-service units being replaced by Mercedes-Benz G-Wagens under Project Land 121.
[6][7] The Defender has proven to be vulnerable to land mines and improvised explosive devices, and the army's new specification calls for optional armour.
"George Fowler and his team of engineers developed a concept vehicle, based on a production Land Rover 110, that was similar to existing Perentie and Bushranger Land Rover 4x4 vehicles in terms of driver control layout and ancillary equipment.