The fundamental operation for reversal of a tubal sterilization is a microsurgical anastomosis. Success of the procedure depends on the extent of tubal destruction and the length of the repaired tubal segments. If the reconstructed tube has a length of at least 4 cm with an ampullary length of 1 cm, live birth rates of 60% to 80% can be achieved. The tubal pregnancy rates vary, but average 2% to 5%.
SEALs will say that they receive the most lethal hand-to-hand combat training. Rangers, Green Berets, Recon, and Air Force Special Forces operatives will say the same. That's just the way these warriors are. The fact is, they're all right. What most people don't understand is that Special Forces operatives aren't all martial arts masters or experts, as Hollywood usually portrays them to be.
The Navy SEALs are considered one of the toughest Special Forces training groups in the world. The drop rate is over 80% for the last 3 decades despite many attempts to get guys through the program. The acronym SEAL is derived from their capacity to operate at sea, in the air, and on land. SEAL Team Six training to take out Bin Laden.