<Table> <Tr> <Th colspan="2"> Royal Flying Corps </Th> </Tr> <Tr> <Td colspan="2"> </Td> </Tr> <Tr> <Th> Active </Th> <Td> 13 April 1912 -- 1 April 1918 </Td> </Tr> <Tr> <Th> Disbanded </Th> <Td> merged into Royal Air Force ( RAF ) , 1918 </Td> </Tr> <Tr> <Th> Country </Th> <Td> British Empire </Td> </Tr> <Tr> <Th> Allegiance </Th> <Td> King George V </Td> </Tr> <Tr> <Th> Branch </Th> <Td> British Army </Td> </Tr> <Tr> <Th> Size </Th> <Td> 3,300 aircraft ( 1918 ) </Td> </Tr> <Tr> <Th> Motto ( s ) </Th> <Td> Latin : Per Ardua ad Astra `` Through Adversity to the Stars '' </Td> </Tr> <Tr> <Th> Wars </Th> <Td> First World War </Td> </Tr> <Tr> <Th colspan="2"> Commanders </Th> </Tr> <Tr> <Th> Notable commanders </Th> <Td> Sir David Henderson Hugh Trenchard </Td> </Tr> <Tr> <Th colspan="2"> Insignia </Th> </Tr> <Tr> <Th> Roundel </Th> <Td> </Td> </Tr> <Tr> <Th> Flag </Th> <Td> </Td> </Tr> </Table>
<Table> <Tr> <Th colspan="2"> Royal Flying Corps </Th> </Tr> <Tr> <Td colspan="2"> </Td> </Tr> <Tr> <Th> Active </Th> <Td> 13 April 1912 -- 1 April 1918 </Td> </Tr> <Tr> <Th> Disbanded </Th> <Td> merged into Royal Air Force ( RAF ) , 1918 </Td> </Tr> <Tr> <Th> Country </Th> <Td> British Empire </Td> </Tr> <Tr> <Th> Allegiance </Th> <Td> King George V </Td> </Tr> <Tr> <Th> Branch </Th> <Td> British Army </Td> </Tr> <Tr> <Th> Size </Th> <Td> 3,300 aircraft ( 1918 ) </Td> </Tr> <Tr> <Th> Motto ( s ) </Th> <Td> Latin : Per Ardua ad Astra `` Through Adversity to the Stars '' </Td> </Tr> <Tr> <Th> Wars </Th> <Td> First World War </Td> </Tr> <Tr> <Th colspan="2"> Commanders </Th> </Tr> <Tr> <Th> Notable commanders </Th> <Td> Sir David Henderson Hugh Trenchard </Td> </Tr> <Tr> <Th colspan="2"> Insignia </Th> </Tr> <Tr> <Th> Roundel </Th> <Td> </Td> </Tr> <Tr> <Th> Flag </Th> <Td> </Td> </Tr> </Table>
when did the royal flying corps became the raf
when did the royal flying corps became the raf
1918
1918