Template:Groundbreaking submarines

Drebbel's submarine (1620) · Turtle (1775) · Brandtaucher (1850) · H.L. Hunley (1863) · Plongeur (1863) · Ictineo II (1864) · Flach (1863) · Submarino Peral (1888) · Gymnote (1888) · USS Holland (1897) · German Type XXI submarine (1943) · USS Albacore (1953) · USS Nautilus (1954) · Zulu class SSB (1955) · USS Halibut (1960) · USS Narwhal (1967) · Alfa-class SSN (1977) · Gotland class submarine (1992) · Type 212 submarine (2005) · Astute class submarine (2007)