Evening star., 1952-05-14
By Horry Lever

ny noTFy Lever
Hundreds Of the military ex-
hibits at Boiling Air Force Base
on Saturday, Armed Forces Day,
will not Just be things to look at.
Instead, they will be a delight to
the gadgeteer.
The thousands Of persons ex-
|pected to attend the observance
will have the opportunity to twist
and turn dials. They will look
into bombsights, operate strange
Imechanisns and, If they feel like
it, look for planted mines.
More than 100000 square feet
|of exhibits will be open to the
public free all day.
Meanwhile, a colorful parade
along Constitution avenue NV
will begin at 10 am. 1t will leave
the Capitol and proceed to Sew
|enteenth street NV.
Out at Boiling, the land-mine
demonstration will be put on by
the engineers from Fort Belvoir
Va. Volunteers will be invited to
try their hands with an Army
mine detector to find a mine hid
den in a large sandbox. A va
riety of captured enemy mines
from Korea will be on display.
Black Light Experiments.
Another participation
event will be furnished by the
Naval Ordnance Laboratory and
the Naval Gun Factory. Walk
in booths equipped with ultra
violet black light sources are to
be set up. Persons looking in the
mirror while the black light
shines on them will be able to
see the laundry marks on their
shirts (if their laundry uses the
invisible marking" system) OF
the filings in their teeth. Real
human teeth will exhibit fluores-
cepce. while artificial teeth will
appear black.
A Norden bombsight will allow
the public to get a closeup of
a bombardier's eye-view Of a SIM
ulated target. The controls will
be operated by the public to sim
ulate q bomb run.
The controls of a grounded
drone plane will be manipulated
by one and all from nearby
truck. with no wires between
them-strictly by radio.
Varied Souvenirs.
Armed Forces Day also will be
free-sample day. with ice cream
bread. plastics. quick-fabricatec
Engineer Corps insignia, and st
forth. going to the public as SOU.
venirs. Their manufacture on the
spot will show how the newest
machines can turn out large-vol.
ume material. just as in depot.
|or behind-the-line positions.
The show still is expected to bt
the greatest held in the Unitec
States, even though f1y-bys of thu
latest piston-engined and jet air.
craft have been eliminated. Thi.
was ordered to conserve fuel OF
and gasoline during the oil strike
Many of the newest planes will
be on exhibit on the ground a,
Boiling, however. These will in.
clude all jet and transport types
dominated by the gigantic XC-99
the Air Forces largest operationa
transport. It is capable of carry.
ing 400 troops and has rarely beer
seen in this area.
More and more displays are
coming to Boiling daily. For in.
stance. large collection of spe.
cial exhibits has just arrived from
Wright-Patterson Air Force Base
Dayton. Ohio.
Newest of these is q 40-fooi
animated exhibit depicting psy-
Geological warfare in action. Wis
itors will see the various tech
niques employed in the war ot
words-rumors. radio and PAM
phlets. Highlight of this exhibit
is simulated loud-speaker opera
tion. This, in Korea, emanates
from @ speaker plane. 5000 feet
above a company of trapped Com
munist soldiers. And q portable
press will turn out samples of the
kind Of leaflets dropped to the
Reds.
Museum Pieces ON Display.
Three other animated displays
will show the operation of the
Air National Guard, the overall
mission of the Air Force and the
birth of American air nowey