An Alliance Commendation Signet is awarded to a $g hero : heroine; who goes above and beyond the call of duty to the Alliance.  Various Commendation Officers for the factions of the Alliance are located in all of the major cities; speak with the one with whom you'd like to raise your reputation, and give them the number of signets they ask for!$B$BBy the way, during the war effort here, if you'd rather receive a material reward for your signets in lieu of reputation, seek out Field Marshal Snowfall.