Idk but i can tell you this for sure: The makers of the Halo series most-likely do.
some1 with no life lol
ItzThatGuyMatt has all medals and is a 5 star general which is the highest rank.
If you mean the achievements, when you get all (Or Most) of them, You Get The Hyabusa Katana Armor, along with other armors.
Jeff Steitzer provides the voice for announcements in multiplayer, including certain medals.
pres selecy the <l button or go to bungie.net
yes of course there is. For example lasering is a new medal.
Go to the Bungie network, go to find player, type your or andone else's gamertag and it shall show medals
you get all the vidmaster achievements on halo 3 and halo 3 odst
Halo 3, Halo wars, Halo 3:ODST and Halo:Reach
The names of all the Halo games are (in order): Halo: Combat Evolved, Halo 2, Halo 3, Halo Wars, Halo 3 ODST, Halo Reach, Halo: Combat Evolved Anniversary, and Halo 4. In chronological order: Halo: Wars Halo: Reach Halo: Combat Evolved/Anniversary Halo 2 Halo 3: ODST Halo 3 Halo 4
All in halo 3 and all in Halo 3 ODST.
the recon helmet for halo 3 is unlocked by completing all of the vidmaster challenges in halo 3 and halo odst