Title: List of accidents and incidents involving airliners in the United States
Content: A Convair CV-240 that was carrying members of the rock band Lynyrd Skynyrd crashed in Gillsburg, Mississippi on October 20, 1977 after running out of fuel. The crash claimed the lives of six out of the twenty people on board the aircraft, including four passengers and both crew members. ; A United States Marine Corps Lockheed Martin KC-130 crashed in Leflore County, Mississippi on July 10, 2017, killing all sixteen people on board, including seven passengers and nine crew members. This makes it the deadliest aviation accident in Mississippi history. 
Title: 1971 B-52C Lake Michigan crash
Content:  On January 7, 1971, a Boeing B-52C Stratofortress (serial 54-26660) of Strategic Air Command crashed into northern Lake Michigan at the mouth of Little Traverse Bay near Charlevoix, Michigan, while on a low-level training flight. All nine crew members aboard were lost. No remains of the crewmen were recovered. Parts of the aircraft were retrieved from a water depth of 225 ft in May and June 1971. The structural remains included parts of the wings, all eight engines, the tail, crew section, landing gear and wheels, plus numerous smaller parts of the plane. Oceans Systems, a Florida-based salvage company, carried out the recovery mission. It remains the deadliest plane crash involving a B-52 Stratofortress in aviation history.
Title: 2017 United States Marine Corps KC-130 crash
Content:  On 10 July 2017, a Lockheed KC-130T Hercules aircraft of the United States Marine Corps (USMC) crashed in Leflore County, Mississippi, killing all 16 people on board. The aircraft had the call sign "Yanky 72" and was from Marine Aerial Refueler Transport Squadron 452 (VMGR-452) based at Stewart Air National Guard Base, New York. Debris from the aircraft was found in Leflore County, Mississippi. The USMC released a statement calling the event a "mishap." The crash is the deadliest Marine Corps disaster since 2005, when a U.S. Marine Corps Sikorsky CH-53E Super Stallion helicopter crashed in Iraq, killing 31 people.
Title: Mississippi Valley Airlines
Content:  Although the airline had no fatal accidents, it lost one aircraft during in-flight operations, a Twin Otter which hit trees upon landing at La Crosse, Wisconsin.
Title: 131st Bomb Wing
Content:  as though they were one unit. On the morning of Wednesday, 30 May 2007, a Missouri Air National Guard F-15 pilot ejected safely from his aircraft just before it crashed during a training mission in rural Knox county, Indiana. The plane went down just before 11 am EDT south of Vincennes, near the Illinois border, as it conducted standard training maneuvers, according to a release from the National Guard. Investigators said the plane was flying at about 20,000 feet prior to the crash. The pilot had been with the 131st Fighter Wing for 12 years and was highly experienced, officials said. The unit had most recently enforced 
Title: Hawkins Field (airport)
Content:  A Piper PA-32 single-engine plane went down Tuesday, November 13, 2012, killing the 3 people on board in a nearby neighborhood of single-family homes. Hinds County, Mississippi Coroner Sharon Grisham-Stewart confirmed the deaths. A hospital spokesman says one patient from the scene was in good condition at the University of Mississippi Medical Center.
Title: List of accidents and incidents involving military aircraft (2020–present)
Content: 9 December ; A Wisconsin Air National Guard F-16 Fighting Falcon crashes in Michigan's Upper Peninsula during night training. The plane went down in the Hiawatha National Forest and the pilot was killed. The cause of the crash is still unknown. 
Title: ATP Flight School
Content:  On December 6, 2008, a twin-engine Piper PA-44 owned by ATP Flight School experienced a mid-air collision in the Everglades. The plane was flown by an ATP instructor and student pilot. The other plane involved was a Cessna 172R owned by Pelican Flight Training, also with two passengers, an instructor and student. There were no survivors. On March 24, 2014, the flight school lost another Piper PA-44, this one in Brunswick, Georgia and also with two fatalities. The National Transportation Safety Board’s investigation reported that the wreckage was consistent with an in-flight breakup of the airframe. On June 9, 2018, a twin-engine Piper PA-44 was on an approach to landing when it experienced a microburst and hit the tops of two homes then crashed into a retention pond in Daytona Beach, Florida. The plane was flown by an ATP instructor and student pilot, both pilots experienced minor injuries. On May 29, 2021, a Cessna 172 on an introductory flight crashed near Powder Mountain Ski Resort in Ogden, Utah. The student perished and the instructor died shortly after at a nearby hospital.
Title: Mansfield Municipal Airport
Content: On 26 July 1981, a Piper Colt crashed shortly after takeoff; the pilot and passenger were uninjured. ; On 28 January 1984, a Piper Arrow that departed Mansfield disappeared. Its wreckage was located near Gardner Municipal Airport on 10 February 1984; none of the four occupants survived. ; On 8 September 2007, A Cessna 172 crashed on takeoff, killing two of the four occupants. ; On 15 February 2014, a Cessna 172 practicing landings hit a snowbank and skidded off the runway; the pilot was uninjured. ; On 23 February 2019, a flight instructor and student were killed when their Cessna 172 crashed at Mansfield; they had departed Norwood Memorial Airport an hour earlier. 
Title: Milwaukee Mitchell International Airport
Content:  fault for the accident. ; On June 4, 2007, a Cessna Citation II crashed after reporting a runaway trim tab. The pilot issued a distress signal within five minutes after taking off. The plane then crashed into Lake Michigan two miles (3 km) off shore. The plane was carrying an organ transplant team from the University of Michigan back to Willow Run Airport. There was a crew of two and four passengers aboard. All six died. ; On September 12, 2008, at 7:13 PM, a Cirrus SR22 heading from Milwaukee bound for Lakeland Airport in Vilas County crashed half of a mile southwest of the airport. All three people on board died. 

Question: when did the military plane crash in mississippi?
Answer: July 10, 2017.