WASHINGTON—For the first time, a female sailor has successfully completed the grueling 37-week training course to become a Naval Special Warfare combatant-craft crewman—the boat operators who transport Navy SEALs and conduct their own classified missions at sea. Navy officials said they would not identify the woman or provide more details on her—a routine military policy for special operations forces. She was one of 17 sailors to graduate and receive their pins on Thursday. She is also the first of 18 women who have tried out for a job as a SWCC or a SEAL to succeed. She will now head to one of Naval Special Warfare’s three special boat teams. “Becoming the first female to graduate from a Naval Special Warfare training pipeline is an extraordinary accomplishment and we are incredibly proud of our teammate,” said Rear Adm. H.W. Howard III, the commander of Naval Special Warfare. “Like her fellow …