Forum:Killed in Action or KIA

I know this topc will probably be archived pretty soon, but I thought I may as well bring it up. While strolling through the mainspace I have been changing KIA to K.I.A., as well as Killed in action to K.I.A.. However, I realized I may have been making the wrong move. This is also seen on the Raptor page; many pages say "Wounded in action" but very very few say W.I.A.. So which is correct? 13:49, August 20, 2011 (UTC)