The current total is 71 active and 2 reserve as of May 2011 -
Commissioned
14 SSBN's (Ballistic Missile Submarines)
4 SSGN's (Cruise Missile Submarines, converted SSBN's)
53 SSN's (Fast-Attack Submarines)
Reserve
2 SSN's (688-class Fast-Attacks)
The USS California, the newest Virginia-class SSN, is scheduled for commissioning in October 2011, with another 4 on the way.
During WW2 the US Navy built 126 submarines.
52 US submarines were lost in WW2. This was about 1 in every 5 submarines that the US had in WW2
75
54
326
52
eighty five
There are different answers to that but the most common one is that the USN had 288 submarines in WW2
The US Navy currently has 14 active duty Trident (Ohio Class) Ballistic Missile Submarines. They are scheduled for replacement beginning in 2028.
52 u.s. subs were sank
1. Ballistic submarines 2. Attack submarines
No, women aren't eligible to serve on board US Submarines.