A Marine lieutenant colonel was relieved of command Tuesday following a coaching accident that killed 9 U.S. service members off the California coast in late July, the army mentioned.Lt. Col. Michael J. Regner, commanding officer of the Battalion Landing Team, 1st Battalion, 4th Marine Regiment, 15th Marine Expeditionary Unit, was relieved due to lack of belief and confidence, Marine Corps Base Camp Pendleton mentioned.Eight Marines and a Navy sailor died after the amphibious assault car they have been in sank off the coast of San Clemente Island, off the Southern California coast, on July 30.Lt. Gen. Karsten S. Heckl, commanding common of the I Marine Expeditionary Force, relieved Regner “due to a loss in trust and confidence in his ability to command as a result of the assault amphibious vehicle mishap,” the bottom mentioned in a press release.The investigation into the accident is ongoing, the Marine base assertion mentioned.Image: (Curtis Khol / U.S. Navy through AP)One Marine who died was recovered after the coaching accident. The our bodies of the opposite eight service members have been recovered in early August. The amphibious assault car was present in 385 ft of water, the army has mentioned.In all, 15 Marines and a sailor have been aboard the amphibious assault car when it began taking over water round 5:45 p.m. July 30.They signaled to the remainder of the unit, Lt. Gen. Joseph L. Osterman mentioned on the time. Two amphibious assault automobiles and a security boat have been close by, he mentioned. All the Marines had floatation gadgets, and a few of these rescued have been discovered bobbing with the gear efficiently deployed, Osterman mentioned.The 26-ton car appeared to sink in “several hundred feet of water” greater than 1,000 meters from the northwest nook of the island, he mentioned then. The car sank throughout a “shore-to-ship maneuver,” the army mentioned.A search-and-rescue operation was launched for any survivors, but it surely was known as off after an intensive 40-hour search, the army mentioned on the time.