 A variant of the extended version used in desert border patrol makes use of a high @-@ ceilinged canopy to allow a swivelling rear @-@ facing heavy machine @-@ gun mount , while the canopy can be extended to provide a mobile command post . An air conditioned hardtop version of the extended model is often used by officers , and a version developed for riot control has clear polycarbonate shielding along the rear sides and roof , as well as gunports for less @-@ lethal weapons . The shielding allows for a wide field of view while at the same time protecting against firebombs and rock @-@ throwing . 
 A variant of the extended version used in desert border patrol <a href='uninflect' title='1'><mark>makes</mark></a> use of a high @-@ ceilinged canopy to allow a swivelling rear @-@ facing heavy machine @-@ gun mount , while the canopy can be extended to provide a mobile command post . An air<a href='been_done' title='2'><mark></mark></a> conditioned hardtop version of the extended model is often used by officers , and a version developed for riot control <a href='got' title='3'><mark>has</mark></a> clear polycarbonate shielding along the rear sides and roof , as well as gunports for less @-@ lethal weapons . The shielding <a href='uninflect' title='4'><mark>allows</mark></a> for a wide field of view while at the same time protecting against firebombs and rock @-@ throwing . 
A variant of the extended version used in desert border patrol make use of a high @-@ ceilinged canopy to allow a swivelling rear @-@ facing heavy machine @-@ gun mount , while the canopy can b extended to provide a mobile command post . An air done conditioned hardtop version of the extended model is often used by officers , and a version developed for riot control got clear polycarbonate shielding along da rear sides and roof , as well as gunports for less @-@ lethal weapons . The shielding allow for a wide field of view while at tdasame time protecting against firebombs and rock @-@ throwing .