Barksdale Air Force Base (AFB) (IATA: BAD, ICAO: KBAD, FAA LID: BAD) is a United States Air Force base which is located in northwest Louisiana, USA, in Bossier Parish, and is contiguous to Bossier City, Louisiana along the base's western and northwestern edge.
 Barksdale Air Force Base occupies over 22,000 acres of land east of Bossier City and along the southern edge of Interstate Highway 20.
The brigade was constituted in the Organized Reserve on 15 October 1921, part of the 62nd Cavalry Division in the Third Corps Area.
 It included the 307th and 308th Cavalry Regiments and the 154th Machine Gun Squadron at Norfolk.
 In 1922, the brigade headquarters was initiated (organized) at Richmond, Virginia.
 On 20 December 1928, the 154th Machine Gun Squadron was relieved from its assignment to the 62nd and withdrawn from the Organized Reserves, with its personnel transferred to the 307th's new 3rd Squadron and Machine Gun Troop.
The 307th Bomb Wing (307 BW) is an Air Reserve Component (ARC) of the United States Air Force.
 It is assigned to the Tenth Air Force of Air Force Reserve Command, stationed at Barksdale Air Force Base, Louisiana.
The 93d Bomb Squadron is a squadron of the United States Air Force Reserve.
 It is assigned to the 307th Operations Group of Air Force Reserve Command, stationed at Barksdale Air Force Base, Louisiana.
 The squadron is equipped with the Boeing B-52 Stratofortress.
 It is one of two reserve bomber squadrons in the United States Air Force.
The 307th Operations Group (349 OG) is an Air Reserve Component (ARC) of the United States Air Force.
 It is assigned to the 307th Bomb Wing, Air Force Reserve Command, stationed at Barksdale Air Force Base, Louisiana.
The 19th Operations Group (19 OG) is the operational flying component of the United States Air Force 19th Airlift Wing, stationed at Little Rock Air Force Base, Arkansas.
 As of 31 July 2013, the 19th Operations Group Commander was Colonel Johnnie Martinez.
The 307th Rifle Division was raised in 1941 as a standard Red Army rifle division, and served for the duration of the Great Patriotic War in that role.
 The division distinguished itself in the intense defensive fighting around the village of Ponyri during the Battle of Kursk.
 It was credited with the liberation of the town of Novozybkov on September 25, 1943.
 After battling its way through eastern Belarus during the autumn and winter of 1943-44, and then helping complete its liberation during Operation Bagration, it was moved to East Prussia, where it took part in the Battle of Königsberg in the spring of 1945, ending the war on the Baltic coast near the Zemland Peninsula.
 In the course of these campaigns the 307th compiled a battle record to rival a Guards unit (which it narrowly missed out on) but was nevertheless disbanded on the second-last day of 1945.
The 7th Operations Group is the operational flying component of the United States Air Force 7th Bomb Wing, stationed at Dyess Air Force Base, Texas.
 The 7th Operations Group currently flies the B-1 Lancer.
The 343d Bomb Squadron is a United States Air Force Reserve squadron, assigned to the 307th Operations Group.
 It is stationed at Barksdale Air Force Base, Louisiana.
Huisheng Ai （Chinese: 艾辉胜, born in 1958） is the current director of both the Hematology and Radiation Therapy Departments of 307th Hospital of Chinese People’s Liberation Army.
 He joined 307th Hospital of Chinese People’s Liberation Army in 1983, after a short time working in various departments, he settled in radiation and homeopathy department, the most revered in the hospital.
 Huisheng Ai, Guo Mei and the medical team developed microtransplantation treatment for leukemia.

Question: The 307th Operations Group's Base location is contiguous to what city in Louisiana?
Answer: Bossier City