society > armed hostility > hostilities in the air > [noun] > headquarters
society > armed hostility > hostilities in the air > air force > [noun] > branches of
1941 Dec. 39/1 ‘Fighter Command’ did not pass into Everyman's vocabulary until well after the beginning of the war.
1942 13a/1 Fighter Command's contribution to the bombing offensive opened on November 1, 1941, when the new Hawker ‘Hurricane II’ fighter-bomber..went into action.