| Show SH GREAT PR GRESSi INU S1 YEAR nAR DETROIT Mich April 20 AP AP- AP Tho The last year beginning with Colon Colonel Colo Cob n nel l Charles barle A. A Lindbergh's New NOW NewY I Y to York flight light has produced I a tremendous t upswing in Ameri American an aviation enthusiasm and activity i F. F Trubee Davison assistant assist an ant mit secretary in charge of aeronautics aeronautics aeronautics tics tics- told told guests at an n navy army-navy luncheon In connection with the all all- American aircraft show here toda today In contrast to Americas America's decided Inferiority complex on aviation a year year go Davison said 19 1923 S 9 gives becoming a great milestone mile mile- I stone history of ot aviation and commemorates m rates the twenty fifth anniversary anniversary an- an of the first flight of ot tho the brothers I I tho sec sec- y T five tj Y five years ago said America was va first in ill inthe the airland now now now-a. a generation later 1 We w we ZinI America once more in tho the fr r K of international air all leade Scrapping cl of Liberty motors In ln army ar airships in the Interest of ot further fur fur- th ther r Lit air progress was urged by hy th the the- army alt alf chief I YOne of of- the persistent nightmares res of army aviation is that we may be d to use the wartime LI erty j still o on on hand before we we- can get the right sort of engines for lor our our ships he ho said The Secretary urged that commercial commercial commer commer- cial dab an and nd military aviation proceed hand in hand for their mut mutual al ad ad- ad antage vantage Military aviation aviation- he said depends for or its effectiveness effectiveness- in a arn rn major jor c en upon the immediate immediate imme imme- diate support it can get from well- well established industry and fw m an trained air-trained civilian civilian- personnel while commercial aviation looks to the for for research and contributions in improved motors mo mO- tors planes and actual flying con con- |