When the U.S. Coast Guard took on the Kriegsmarine

Thank you, my friend CW5 Jack Cardwell To be honest, since Japaneses subs patrolled off the west coast and German U-boats patrolled off the Atlantic coast - not to mention the Gulf of Mexico , the U.S. Coast Guard interacted with enemy vessels in the CONUS waters often.
Torpedo alley 'Great American Turkey Shoot" USCGC Icarus (WPC-110) versus U-253

Image: USCGC Icarus (WPC-110).

Background
1. Name: USCGC Icarus (WPC-110)
Namesake: Icarus
Builder: Bath Iron Works hull 153
Launched: 19 March 1932
Acquired: 29 March 1932
Commissioned: 1 April 1932
Decommissioned: 1947 or 1948
Fate: Sold in 1948; later in service in the Dominican Republic Navy
General characteristics
Class and type: Thetis-class patrol boat
Displacement: 334 long tons (339 t) trial[1]
1945: 350 tons
Length: 160 ft 9 in (49.00 m) waterline[1]
165 ft (50.3 m) overall[1]
Beam: 23 ft 9 in (7.24 m)[1]
Draft: 7 ft 8 in (2.34 m) trial[1]
1945: 10 ft (3 m)
Propulsion: 2 × Winton Model 158 6-cylinder diesel engines, 670 hp (500 kW) each
two shafts with 3-bladed screws
Speed: 16 knots (30 km/h)[1]
Range: 3,000 nautical miles (6,000 km) at 11 knots (20 km/h)
Complement: 45 officers and men[1]
1945: 75 officers and men
Sensors and processing systems:
1933: none
1945: SF-1 radar and QCO son

2. Name: U-253
Ordered: 23 September 1939
Builder: Bremer Vulkan, Bremen-Vegesack
Yard number: 18
Laid down: 15 November 1940
Launched: 30 August 1941
Commissioned: 21 October 1941
Fate: Sunk, 25 September 1942[1]
General characteristics
Class and type: Type VIIC submarine
Displacement:
769 tonnes (757 long tons) surfaced
871 t (857 long tons) submerged
Length: 67.10 m (220 ft 2 in) o/a; 50.50 m (165 ft 8 in) pressure hull
Beam: 6.20 m (20 ft 4 in) o/a
4.70 m (15 ft 5 in) pressure hull
Height: 9.60 m (31 ft 6 in)
Draught: 4.74 m (15 ft 7 in)
Installed power: 2,800–3,200 PS (2,100–2,400 kW; 2,800–3,200 bhp) (diesels); 750 PS (550 kW; 740 shp) (electric)
Propulsion: 2 shafts
2 × diesel engines
2 × electric motors
Speed: 17.7 knots (32.8 km/h; 20.4 mph) surfaced; 7.6 knots (14.1 km/h; 8.7 mph) submerged
Range:
8,500 nmi (15,700 km; 9,800 mi) at 10 knots (19 km/h; 12 mph) surfaced
80 nmi (150 km; 92 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth:
230 m (750 ft)
Crush depth: 250–295 m (820–968 ft)
Complement: 4 officers, 40–56 enlisted
Armament:
5 × 53.3 cm (21 in) torpedo tubes (four bow, one stern)
14 × torpedoes or 26 TMA mines
1 × 8.8 cm (3.46 in) deck gun (220 rounds)
2 × twin 2 cm (0.79 in) C/30 anti-aircraft guns
Service record[2][3]
Part of:
8th U-boat Flotilla
21 October 1941 – 31 August 1942
6th U-boat Flotilla
1–25 September 1942
Commanders: Kptlt. Adolf Friedrichs
21 October 1941 – 25 September 1942
Operations: 1st patrol: 12–25 September 1942
Victories: None

FYI LTC Stephen C. LTC (Join to see) Lt Col John (Jack) Christensen Lt Col Charlie Brown Maj Bill Smith, Ph.D. Maj William W. "Bill" Price Maj Marty Hogan SCPO Morris Ramsey SFC William Farrell SGT Mark Halmrast Sgt Randy Wilber Sgt John H. SGT Gregory Lawritson CPL Dave Hoover SPC Margaret Higgins SSgt Brian Brakke 1stSgt Eugene Harless SSG William Jones SSG Diane R.

TSgt Joe C. PO3 Steven Sherrill CW3 Kevin Storm SSG (Join to see) SGM Steve Wettstein SMSgt Thor Merich MSG (Join to see) PO1 John Johnson MAJ Ken Landgren LTC Greg Henning PVT Mark Zehner MSG Tom Earley Alan K. SPC Mark Huddleston PO1 H Gene Lawrence SGT Elizabeth Scheck Sgt Deborah Cornatzer SSgt Boyd Herrst SPC Diana D. SFC George Smith

Great share.