Key to Abbreviations of Branches of Service

IN ORDER TO FILL OUT the abbreviated or unfamiliar data in the Directory of Alumni inService carried on these pages the following key is published:

AAAC—Antiaircraft Artillery Command AC—Air Corps AFS—American Field Service AGD—Adjutant General's Dept. A Int.—Air Combat Intelligence ASC—Air Service Command AUS—Army of U. S. BBS—Barrage Balloon School CA—Coast Artillery Cav—Cavalry Cox—Coxswain CPO—Chief Petty Officer CPT—Civilian Pilot Training CWS—Chem. Warfare Service DEML—Detached Enlisted Men's List FA—Field Artillery JAGD—Judge Advocate Gener- al's Dept. LTA—Lighter Than Air MAC—Medical Administrative Corps MC—Medical Corps Mil Int—Military Intelligence MP—Military Police Mt Inf—Ski Troops NACSB—Naval Aviation Cadet Selection Board NRAB—Naval Reserve Aviation Board OCS—Officers Candidate School OTS—Officers Training School P/O—Pilot Officer RAF—Royal Air Force RCA—Royal Canadian Army RCAF—Royal Can. Air Force RRC—King's Royal Rifle Corps S/P—Sergeant Pilot SC—Supply Corps Sig C—Signal Corps SK—Storekeeper Sn C—Sanitary Corps SOS—Service of Supply TSS—Technical School Squadron TTC—Technical Training Com- mand USAAC—U. S. Army Air Corps USCG—U. S. Coast Guard USMA—U. S. Military Academy USMC—U. S. Marine Corps USNAC—U. S. Naval Air Corps Y—Yeoman