US MILITARY Patches Regulations

[R2X]

I'm trying to find out what the patches on US navy, air force and army uniforms(bdu/service/flight suite et cetera)
(I don't think marines wear patches?) on their shoulders and on the left/right of their chests mean/stand for.

I got that in the US army the left patch is for a major army unit your in (now) and the right is for"Those soldiers who are combat veterans are authorized permanent wear of their SSI on their right shoulder. This shoulder sleeve insignia recognizes "former wartime service" and is frequently called a "combat patch". http://en.wikipedia.org/wiki/Shoulder_Sleeve_Insignia

So what unit patch is wearn on the chest (I have only seen chest patches on flights suites for army navy and air forces. Is it a squadron, group or wing patch? Ihave also seen them on the TV show Stargate:SG1 the characters are in the US air force)
does the army rules apply to the air force or not
is there patches for the navy(I have seen naval personal wearing patches on work uniforms

[ghbisa]

For the army try here:
http://www.tioh.hqda.pentagon.mil/DUI_SSI_COA_page.htm

And for the air force try here:

http://www.af.mil/art/index.asp?galleryID=70

I don’t really know a website for navy patches but you can try this book:

http://www.amazon.com/United-States-Nav ... F8&s=books

[kaldi]

try this for navy http://www.navy.mil/navydata/ratings/navrate.html
and this too http://www.navy.mil/navydata/ranks/offi ... ignia.html

I dont know if this is what you look for, if not then try http://www.navy.mil/

greetings
kaldi