Show U S E exposes x poses air secrets but TAS ASHINGTON HINGTON ameri W VV can aviation turned an important corner here authorities agree with the unprecedented public showing of the united states army air corps most advanced equipment which hitherto has been shrouded in mystery conceived originally to inform congress of the latest developments of military aviation the demun demonstration was so convincing to president roosevelt that at his instigation it was kept open or three additional days giving thousands of average citizens a chance to see the results of the close operation cooperation co between the military branch ol of uncle sams defense e forces and the american aircraft supply industries held at bolling boiling field near here the army air exhibit consisted of two feature attractions a three quarter mile lineup of ships in n which one or more of each type of plans plane used in the army was featured han hangars chrs jammed with an array of camouflaged pursuit ships end and enough aviation instruments and tricky equipment to make a would be spy deliriously happy despite shrouds of taped calv canvas as which blanketed certain vital mechanisms show mystery ship 0 A headliner was the ardys amys mystery ship the much discussed air interceptor pursuit plane said to have flown more than mph in test flights nearby was a garish group of weirdly camouflaged pursuits including the P 39 which has baa a tricycle landing gear some were covered with blobs ot of dark dusty green and foggy gray 4 C Z V V I I 1 vl 4 1 1 I 1 A ON PARADE spectators looking over a standard douglas bomber B with special armament equipment during the army air corps exhibit at bolling boiling field new equipment still in the secrecy or experimental stage was concealed by tarpaulins president roosevelt spent 50 minutes at the field others were black and dull green w wafie ahe a flying fortress was a nightmare of shocking i and weary blue however the crazy quilt patterns served the purpose of blurring outlines and eliminating reflections i from wings and other surfaces officials explained certain to have a effect on future support tor for americas military aviation was the evidence of the publics keen interest in understanding many of the features which hitherto have been regarded bregarde d as intelligible telli gible only to most advanced aeronautic engineers both government officials and the public took ample time to digest information presented to them in the form of animated displays charts and cutout models newest methods ot of test ing wing strength and stress and the famous goodrich deicer de icer an ingenious air and rubber device which officials said bald has done more than any othir other single development 0 to make high altitude and winter fly ing sate safe were presented aerial photographic equipment complete with portable developers lor for fast wartime scouting was ranged near compact communications units with which headquarters can maintain contact by radio telephone telegraph or with planes in the air |