What's the name for the pin with different colors on a military uniform?
457362
These are called Ribbon Bars\n\nRibbon bars are small devices that are worn by military service personnel or by civilians. Ribbon bars are mainly used when wearing either the full decoration or medal is considered inappropriate. Each military force has their own rules on what ribbons are worn in which order of precedence.\n\nThe following website has a large selection with pictures that should help you find the ones you need. Make sure you get them "Mounted" or else you will only receive the small ribbons and not the full rows of bars\n\nhttp://www.usmedals.com/
70633
do you mean placed on a uniform? If so then they are placed on using a type of multiple level bar that is on the inside of the wearers coat/shirt.
112598
US Military Police wear a BRASSARD while they are on duty:\n\nBrassard: A band or badge worn around the upper arm.\n(Dictionary below)\n\nIt says "MP" and identifies them from a distance. Enlisted MP's can give certain directions to officers; ordinary enlisted men can't. The brassard is easy to see from a distance.
625861
That depends on the branch of service and what country.  If you are talking the US armed forces here it goes.  Air Force is (duty uniform) light blue shirt with dark blue pants, (dress) Dark Blue Jacket over white shirt and dark blue pants.  Army (duty) camofladge, or green khaki pants and light olive green pants, (dress) dark green jacket over white shirt, dark green pants.  Navy (duty) dark blue pants white or blue "cracker jack style" shirt.  (Dress" dark blue jacket over light blue shirt, dark blue pants.  Marines (duty) camofladge, (dress)dark blue jacket, white shirt, dark blue pants with red stripe.  I am not sure about the coast gaurd.
629882
Well I am an NCO in the AF, 36-2903 is the standard.  I checked around at the out of cycle entries, and didn't see any other entries.  You may want to look at your MAJ COM specific rules as well as the base/squadron commander.  Even if there is nothing in there I am sure if it is not a natural color, in good taste, and conservative you will be told to remove them.  So I am guessing cat eyes, dead eyes and such aren't going to fly in uniform.  Just wear them after work in civvies.
71488
www.soldiercity.com has pins for all rates, 3rd class to chief.
231298
I owned a few sets because I was in Public Affairs and did many events with and before the media.  My final assignment was as the Public Affairs NCO for Marine Recruiting for Arkansas (and several counties from the surrounding states).  I wore blues or modified blues (khaki short-sleeved shirt and blue trousers) every day.  These uniforms were provided to me (although I invested in extra sets because they really take a beating when worn every day), but for the average Marine, they were not--and they were VERY expensive.  Still, part of the privilege of joining the Corps is to be able to wear that very proud uniform.
876292
It came about unintentionally while the military was trying to streamline the ranking insignia for all branches. However, the "gold" is actually brass with gold coloring on it. For an explanation of how this came about, check out this wikipedia link:\nhttp://en.wikipedia.org/wiki/U.S._Army_officer_rank_insignia
491183
The online version of AR 670-1 does not have it listed.\n\nHowever, from looking around, the CAB is categorized as a Group 1 badge.  Hopefully that helps a little.\n\nI watched a ceremony video...you get to see them place it in this...not sure how clear it is but here you go: \nhttp://www.army.mil/symbols/combatbadges/Action.html?story_id_key=7285
438055
The upside down v is an identification marker used by a number of militaries to distinguish their vehicles from enemy vehicles.  The upside-down v is actually the chevron symbol.\n\nThese markers were first used by the Israelis in the Arab-Israeli War (1967) to prevent casualties from friendly fire.
939553
It is the Elastic Hand Down Indicator (#F78).\n\nSee: http://www.ump-attire.com/Merchant2/merchant.mv?Screen=PROD&Product_Code=F78&Category_Code=FAC&Product_Count=8
844909
The US recently changed their camo gear to a digitaly marked pattern. Check out this website for a picture and more information:http://www.military.com/soldiertech/0,14632,Soldiertech_BDU,,00.html
873951
there should be a like on the site where you can retrieve your pin or they can send you a new one.
679806
blue stands for color of water (marine), \ngold for noble cause of serving and defending nation
1086179
uniform...white pure white
278355
depends on gender and if you are enlisted, warrant or officer. also on which uniform. BDU, ACU, dress blues....
752159
Correction, the beret color depends on what type of unit. Airborne=Maroon, Army Rangers=Tan, Army Special Forces=Green, Regular Army=Black. Air Force berets are Red=Combat Controllers, Maroon=Para Rescue, Black=Security Forces, and Navy Blue=Air Force Academy. But to answer your question, I will give you a couple of sources.