USS S-18 (SS 123) was EB 73 C design

She was built by Fore River Shipbuilding;
Her keel was laid 15 August, 1918;
She was launched 29 April, 1920;
Her Sponsor was Miss V. Bell Johnson;
She was commissioned 3 April, 1924;
Her first Skipper was LT Elliott M. Senn

History:
Sept 1941, S-18 returned to the west coast from duty in Hawaii;
27 January 1942, U-18 began patrol duties out of Dutch Harbor in the Aleutian Islands under LT William 'MOKE' Millican;
March 1942, U-18 returned to San Diego for repairs, then back on duty in the Aleutian Islands by mid-May;
11 January 1943, S-18 resumed reconnaissance patrols of the Attu and Semichi Islands area under LCDR C. H. Browne;
4 February 1943, U-18 was reassigned to the San Diego area for overhaul and for training use at the West Coast Sound School for the balance of the War;
29 October 1945, S-18 was decommissioned at San Francisco;
23 November 1945; USS S-18 was struck from the Navy List and was sold for scrap in 1946 to Salco Iron and Metal Company in San Francisco.

USS S-18 had no sinkings during World War II.

WP#	DATES	Fm AREA	To AREA	DURATION
1.	unknown	PA Pacific	PA	?? days
2.	??/02/42	DH Alaska	DH	20 days
3.	??/03/42	DH Alaska	DH	12 days
4.	09/05/42	DH Unmak	DH	51 days
5.	15/07/42	DH Kiska	DH	18 days
6.	22/10/42	DH Alaska	DH	29 days
7.	30/11/42	DH Kiska	DH	29 days
8.	07/01/43	DH Attu	DH	28 days

SS-18 RECEIVED ONE BATTLE STAR

Skippers were: W. J. Millican, WP# 1 and 2; J. H. Newsome, WP# 3, 4 and 5; G. H. Browne, WP# 6, 7 and 8

USS S-19 (SS 124) was EB 73C design

She was built by Fore River Shipbuilding;
Her keel was laid 15 August, 1918;
She was launched 21 June, 1920;
Her Sponsor was Miss G. Kittinger;
She was commissioned 6 January, 1923;
Her first Skipper was LCDR William J. Butler;

History:
13 January, 1925 - while en route to New London from Portsmouth Navy Yard, S-19 ran hard aground at Nauset Beach on Cape Cod. The US Coast Guard took the entire crew off in surfboats however, it was 18 March before S-19 was refloated, at which time she was towed to Boston;
10 February, 1934 - USS S-19 was decommissioned;
Sometime in 1938 USS S-19 was destroyed.

Specifications of the Government Design used to build SS 109 thru SS 122

Dimensions....................................................231' x 21'10" x 13'1"
Displacement............................................................876/1,092 tons
Power.........................................................................diesel/electric (diesel).........................................2,000hp

(diesels built by New London Shipibuilding SS 109 thru SS 114; by M.A.N. SS 115 through SS 118; Busch-Sulzer SS 119 thru SS 122
Power (electric)..............................................1,200hp (120 cells) (electric motors built by Westinghouse)
Fuel..........................................................................36,950 gallons
Radius.......................................................10,000 miles @ 11 knots
Tubes (fwd)..............................four 21 inch on SS 109 thru SS 114 (carried 12 torpedoes)
Tubes (fwd)...............................five 21 inch on SS 115 thru SS 118 (carried 14 torpedoes)
Tubes (fwd)..............................four 21 inch on SS 119 thru SS 122 (carried 12 torpedoes)
Guns............................................................single 4 inch/50 caliber
AA Guns..................................................................................none
Crew - Officers..............................................................................4
Crew - Enlisted............................................................................34
Depth of dive......................................................................200 feet