A U.S. helicopter crashed during a routine training mission in Jordan, injuring both pilots, the U.S. military announced Saturday. Both pilots were in stable condition after the crash, but one will be flown to a U.S. medical facility for additional treatment, according to the statement by U.S. Naval Forces Central Command. The other was expected to be released soon to return to duty. The statement said the pilots were with the 26th Marine Expeditionary Unit, but their names were not disclosed. «The crash occurred Friday night south of Al Qatranah, near King Faisal Air Base, in an uninhabited area,» said Deputy Public Affairs Officer Lt. John Gay. Al Qatranah is located some 80 kilometers (50 miles) south of the capital, Amman. The AH-1W Super Cobra helicopter was participating in exercise Infinite Moonlight, an annual exercise between U.S. and Jordanian forces, according to the military's statement. The cause of the accident is under investigation, the Associated Press reported.