[PAR] [TLE] 1st Provisional Air Brigade [SEP] The 1st Provisional Air Brigade was a temporary unit of the United States Army Air Service, commanded by Col. Billy Mitchell, operating out of Langley Field, Virginia, that was used in to demonstrate the vulnerability of ships to aerial attack when, in July 1921, the "unsinkable" German dreadnought SMS "Ostfriesland" was sent to the bottom of the Atlantic Ocean by bombardment.  Other targets included the German destroyer SMS G-102, the SMS "Frankfurt", and the USS "Iowa". [PAR] [TLE] Billy Mitchell [SEP] William Lendrum "Billy" Mitchell (December 29, 1879 – February 19, 1936) was a United States Army general who is regarded as the father of the United States Air Force.
[PAR] [TLE] 1st Provisional Air Brigade [ SEP ] The 1st Provisional Air Brigade was a temporary unit of the United States Army Air Service , commanded by Col . Billy Mitchell , operating out of Langley Field , Virginia , that was used in to demonstrate the vulnerability of ships to aerial attack when , in July 1921 , the " unsinkable " German dreadnought SMS " Ostfriesland " was sent to the bottom of the Atlantic Ocean by bombardment . Other targets included the German destroyer SMS G-102 , the SMS " Frankfurt " , and the USS " Iowa " . [PAR] [TLE] Billy Mitchell [ SEP ] William Lendrum " Billy " Mitchell ( December 29 , 1879 – February 19 , 1936 ) was a United States Army general who is regarded as the father of the United States Air Force .
The gentleman who commanded the 1st Provisional Air Brigade was regarded as what?
The gentleman who commanded the 1st Provisional Air Brigade was regarded as what ?
the father of the United States Air Force
the father of the United States Air Force