Two officers were rescued from the scene within minutes with minor injuries while another two were found dead.
Some 2,770 officers and men were rescued by the rest of the task force.
The officers were rescued from a house near the prison; Iraqi officials have denied they were ever in militia custody.
Of the crew of 1,021, only two officers and four crew were rescued.
Eighteen officers and 225 men were rescued, with 1 officer and 14 men missing.
Only seven officers and 73 crewmen were rescued.
Lemp was lost with 14 members of his crew when U-110 sank, but a war correspondent, 4 officers and 28 men were rescued.
In all, nine officers, including her commander, and fifty enlisted men were rescued.
One officer escaped from the flooded conning tower, and was rescued with the others.