Limited underwater speed and battery capacity, they often had to surface to recharge the batteries, a dangerous job, as fumes could be discharged making the ship a sitting duck for even a low flying scout plane with incendiary bullets- or tracers, aim for the battery boxes. The Russians, give "em credit aimed at eliminating part of this hazard with their Turbo-electric two-shaft A-9 class of Fleet or as we would say task-force submarines.designed to operate with surface craft. these had high surface speed- as did the much later Gamma Boats, and could recharge the batteries at ( Siphon depth) with about 2/3 propulsive power available. no US sub could do this at that time (ww-l;) The A-9 was the top=-fleet almost said top-flight Czarisr Russian sub.
yes at the bottom of the ocean.
52 US submarines were lost in WW2. This was about 1 in every 5 submarines that the US had in WW2
Because the Germans started sinking or cargo ships with their submarines.
Germany must surrender its submarines and weapons.
All submarines were built from steel. Except Bushnell's Turtle in 1776, that was made of wood & leather.
Why don't you just Google "World War 1 Submarines?"
Submarines were sometimes referred to as submersibles.
1, 200,000 Soldiers 30 Warships 11 Submarines.
Steel plates.
Atlantic Ocean.
2,200,000 Soldiers 97 Warships 40 Submarines.
Yes, German submarines were very effective in both world wars. The Germans built excellent submarines and still do.
The US helped France in world war 1 with submarines in the Atlantic.
Yes, many submarines were used in WW1 by most of the major combatants.
World War 1
U-boats=Submarines
The Germans were the first to use Submarines in World War 1. Now i believe that the marines now do at times.