america loves convenience . 
after all , we're the culture that invented the cell phone , the 24-hour atm , and my most beloved , the remote control . 
yet perhaps this time , with ghosts of mars , we have taken our love of convenience to far . 
ghosts of mars stars natasha henstridge as a tough as nails , pill-poppin' , martian cop , sent with her squadron to retrieve " demolition " williams ( ice cube ) from a remote mining town for trial back home . 
when she and her comrades , appropriately dubbed " the commander , " " the rookies , " and the guy with the cool accent discover the town's residents slaughtered , they are forced to team up with williams to escape from the remaining residents' head-chopping , alien-possessed clutches . 
filled with a lovely overuse of storytelling flashbacks , flashes-sideways , and viewpoint changes , ghosts of mars is a hapless mishmash of poorly constructed dialogue and ill-conceived action sequences . 
the only thing keeping this film from becoming an incomprehensible mess is the sheer idiotic simplicity of its story . 
ripped straight from the pages of a 1970s zombie movie , ghosts leaps from one convenient moment to the next , stopping only to kill the characters which are most convenient to lose . 
attempts at character interaction and development are rare and forced . 
most of these moments come off as kwik-e-mart wisdom , dispensed heartily around the slushee machine of life by the even-tempered streetwise hand of ice cube . 
with a gun in one hand and a dynamite cap in the other , cube reminisces about his street life , comparing the zombie-stomping fun to " me and my brother when we was kids . " 
apparently , crime in the bronx has gotten so bad that the residents have actually taken to ritually decapitating one another for entertainment . 
but , even in the film's darkest moments , fate conveniently lends a hand , supplying heavily armored transportation and easily accessible rifles and dynamite . 
yes , in the future , man may travel to space and conquer mars , but nothing beats a good stick of tnt . 
and as we all know , every police station , past , present , or future , keeps a healthy supply on hand . 
characters die , heads are lopped off , but they were only supporting roles anyway , so why should we care ? 
as long as you have plenty of narcotics , immunity is guaranteed . 
eventually though , even the most well-trained zombie alien gets a bit uppity and needs to be taught a lesson . 
what better way than by sacrificing a few minor characters to a convenient nuclear detonation , killing anything the machine guns can't handle . 
explosions are fun . 
and even if the nukes don't get them , the conveniently placed dynamite packs on the train stolen from the set of the road warrior certainly will . 
in the end this film defines itself when our cop's tribunal pronounces , " is that all you have to tell us ? " 
for , indeed , john carpenter has run out of things to say , and has instead decided to use whatever is convenient to tell a ridiculously bad story .