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Navy Uniforms, Uniform Insignia,
Caps and Accessories circa 1917

Admiral of the Navy
in Special Full Dress Uniform
   
Rear Admiral in Special Full Dress
Warrant Gunner in Special Full Dress
   

Lieutenants
Evening Full Dress
Evening Dress
   
Lieutenant
Dress Uniform
   
Lieutenant
White Mess Dress Uniform
   
Lieutenants
Overcoat
Boat Cloak
   
Lieutenant
Undress Uniform
   
Lieutenant Junior Grade
Service Dress Uniform
   
Lieutenant Junior Grade
White Service Dress Uniform
   
Officer's sword, scabbard,
undress belt and sword knot
(all commissioned officers
except chaplains)
   
Cocked Hats, Caps and Cap Device
1 Cocked hat, all officers
2 White cap, Lieutenant Commander and below including chaplains (add visor ornaments for admiral, captain and commander)
3 Cocked hat, the Admiral of the Navy
4 Blue cap, the Admiral of the Navy and all flag officers
5 Blue cap, Captain and Commander
6 Blue cap, flag officers, staff corps
7 Blue cap, Captain and Commander, staff corps other than chaplain
8 Blue cap, Captain and Commander, Chaplain Corps
9 Blue cap, Lieutenant Commander and below including chaplains
10 Blue cap, warrant officers, cap device gold fouled anchors
11 Cap device, all officers other than warrant officer
   
Officer Epaulets
1 Rear Admiral (two stars)
2 Commander (silver oak leaf)
3 Ensign (fouled anchor)
   
Officer sleeve
insignia of rank
   
Officer metal devices
1 Line
2 Medical
3 Pay
4 Chaplain
5  Professor of Mathematics
6 Constructor
7 Civil Engineer
7.5 Dental
8 Boatswain
9 Gunner
10 Machinist
11 Carpenter
12 Sailmaker
13 Pharmacist
14 Mate
   
Officer collar devices on service coat
-Showing right side of collar
1 Admiral of the Navy
2 Admiral
3Vice Admiral
4 Rear Admiral
5 Captain, Line
6 Captain, Medical 
7 Captain, Pay
8 Commander, Chaplain
9 Commander, Professor of Mathematics
10 Commander, Constructor
11 Commander, Civil Engineer
12 Lieutenant, Dental 
   
Chief Warrant and Warrant Officer
collar devices on service coat
-Showing right side of collar
1 Chief Boatswain
2 Chief Gunner
3 Chief Machinist
4 Chief Carpenter
5 Chief Sailmaker
6 Chief Pharmacist
7 Chief Pay Clerk
8 Mates
   
Enlisted rating badges blue uniform
1 Chief Master-at-Arms
2 Boatswain's Mate, First Class
3 Gunner's Mate Second Class
4 Quartermaster Third Class 
   
Chief Petty Officer in White Uniform
-One service stripe (Over four years service)
-Non Seaman branch (Rating badge on left arm) 
   

Chief Petty Officer in Blue Dress uniform
-Two service stripes (Over eight years service)
-Seaman branch (Rating badge on right arm)
-Square knot below rating badge (former apprentice)

Boatswain's Mate First Class in Dress Blue uniform
-Seaman branch (Rating badge on right arm) 
   
Seaman in Peacoat
Chief Petty Officer in Overcoat 
   
Seaman in White Dress Uniform
   
Seaman in White Undress Uniform 
   
Seaman
Undress blue uniform with white hat
   
Seaman
in dungaree uniform
in flannel shirt with watch cap
   
Enlisted specialty marks
1 Master-at-Arms
2 Boatswain's mates, coxswains
3 Quartermasters
4 Blacksmiths, ship fitters
5 Sailmakers' mates
6 Printers
7 Carpenters' mates
8 Turret captains
9 Gunner's mates
10 Storekeepers
11 Yeoman
12 Electricians
13 Machinists' mates, boiler makers, water tenders
14 Hospital Corps (red)
15 Bandmasters, musicians
16 Commissary stewards
   
Enlisted specialty marks
17 Ship's cooks, bakers
18 Bugler

Distinguishing Marks
(Right sleeve midway from shoulder to elbow)
19 Seaman-gunner
20 Gun-captain
21 Gun pointer
22 Navy E
23 Expert rifleman
24 Radio operator
25 Torpedoman
26 Ex-apprentice
   
Reference: Uniform Regulations United States Navy, 1913 (Revised to January 15, 1917),
Washington DC, Government Printing Office, 1917