Within the covenant Empire's great war-machines one holds the greatest effect on the battlefield, the wraith. it is armed with a mortar that fires with a highest degree angle of 45 degrees with a initial velocity of zero vertically to provide a large distance horizontally. the wraith 's horizontal velocity counts for how high the initial vertical velocity is to provide a killing blow on human forces. the covenant wraith is the most dangerous weapon in the covenant army for its killing accurate need for velocity and time for the wraith mortars take a minute long to reach its target location. next time the humans encounter the mighty covenant wraith they will think only one thing as they see it: RUN!