Joseph Frank "Fritz" Wehner (20 September 1895 – 18 September 1918) was an American fighter pilot and wingman to Frank Luke.
Joseph Frank "Joe" Fontana, PC (born January 13, 1950) is an Italian-born Canadian politician.
 He was a Liberal member of the Canadian House of Commons from 1987 to 2006, and mayor of London, Ontario from 2010 until his 2014 convictions for fraud and forgery.
The Kelly Field Historic District is located in southwestern San Antonio, Bexar County, Texas.
 It is the center portion of the base, east of the runways.
 The boundaries of the 1600 buildings are Billy Mitchell Road on the north, Wagner on the east, England on the south and S. Frank Luke Drive on the west.
 The 1700 block of officer quarters are bounded on the north by Chennault Street, the east and south by Chennault Circle, and Van Nostrand Drive on the west.
 The historic district contains 58 contributing and non-contributing buildings, structures, objects and sites, and was added to the National Register of Historic Places in 2003.
The Roland and Marilyn Wehner House is a historic building located north of Iowa City, Iowa, United States.
 Local architect Roland Wehner designed this house for his own residence.
 Its architectural influence are the Usonian houses designed by Frank Lloyd Wright.
 In particlular, Wehner was interested in creating a "modular, affordable, and organic design" for his home.
 This was his first Wrightian design out of college.
 The Wehner's bought the 2.33 acres property and moved their mobile home here in 1957.
 Because they had no children and limited funds, the main living pavilion and carport were completed in 1959.
 As the family grew the bedroom wing was added in 1964.
 The house is located on a wooded lot in a rural area.
 It follows an asymmetrical plan that is centered on the two-story living pavilion.
 The carport juts out to the northwest, the bedroom wing to the southwest, and the cantilevered deck to the east.
 Most of the windows face the east and south to take advantage of the sun, and to face away from the highway to the west.
 The exterior is composed of Anamosa Limestone and California Redwood siding.
 The house was listed on the National Register of Historic Places in 2013.
Joseph Frank Nemechek III (born September 26, 1963) is an American professional stock car racing driver.
 He currently competes part-time in the NASCAR Camping World Series, driving the No. 87 Chevrolet Silverado for NEMCO Motorsports.
 He won the 1992 NASCAR Busch Series championship.
Frank Luke Jr. (May 19, 1897 – September 29, 1918) was an American fighter ace, ranking second among U.S. Army Air Service pilots after Captain Eddie Rickenbacker in number of aerial victories during World War I (Rickenbacker was credited with 26 victories, while Luke's official score was 18).
 Frank Luke was the first airman to receive the Medal of Honor.
 Luke Air Force Base, Arizona, a U.S. Air Force pilot training installation since World War II, is named in his honor.
Joseph Frank (17 December 1857 – 22 October 1940) was an English amateur first-class cricketer, who played one match for Yorkshire County Cricket Club in 1881, against I Zingari at North Marine Road Ground, Scarborough.
 He also played first-class cricket for the Gentlemen of England in 1883 and 1886, the Gentlemen in 1883, the Rest of England in 1883, plus A. J. Webbe's XI in 1887.
The flaming onion was a 37 mm revolving-barrel anti-aircraft gun used by the German army during World War I, the name referring to both the gun, and especially the flares it fired.
 The American 'balloon-buster' ace, Frank Luke, was a prominent victim of this device, and it was mentioned in Eddie Rickenbacker's book "Fighting the Flying Circus" and in many "Biggles" stories.
 The term could also be applied to any sort of anti-aircraft fire that used a visible tracer, appearing in reports of combat from the Battle of Taranto, for instance.
Joseph Frank (October 6, 1918 – February 27, 2013) was an American literary scholar and leading expert on the life and work of Russian novelist Fyodor Dostoevsky.
 Frank's five-volume biography of Dostoevsky is frequently cited among the major literary biographies of the 20th century.
Joseph Frank Dines (12 April 1886 – 27 September 1918) was an English amateur football player who competed in the 1912 Summer Olympics.

Question: what does Joseph Frank Wehner and Frank Luke have in common?
Answer: pilot