nase surge.‘ The particulate dust cloud that rolls out from the bottom of the cloud column
cetanation of a nuclear cevice. For underwater bursts, the base surge is a cloud of
ang the fiowing properties are those af a homogeneous liquid.
raduced by the
ter droplets,
A washdown system used used on an aircraft carrier flight deck for decontaminat ng helicopter
Tne Datntub's purpose was to prevent water used to nose tne aircraft wh eis from running onto tne flignt deck.
[t was 3 low-walled canvas rectangle treated with waterpro fing preservatives,
“agathtuo".
landing gear.
oatnythersograph (B/T). A device for obtaining a record of temperature with depth in the u per 1,000 feet
(s0Q meters, of the ocean, from a snip underway,
recquersi
(5g).
See curie (C1).
neta burns. Beta particles that come into contact with the skin and remain for an apprecia le time can
Cause a form of ragiation injury sometimes referred to as “beta burn."
In an area of xtensive early
fallout, the wnoie surface of the ocdy may be exposed to beta partictes.
eta emitter. A radtonuclide that disintegrates by beta particle emission. Ail beta-activ
existing in nature expel neqative particles, i.e., electrons or, more exactly, negatro
emitting particles are narmful ir inhaled or ingested.
elements
beta
clei of cer-
particle (ra
A charged particle of very smal} mass emitted spontaneously from the
tain radioactive elements. Host fif not all) of the direct fission products emit (neg
particles. Physicaliy, tie beta particle is identical to an electron moving at high v
yiast. Tne detonation of a nuciear device, like the detonation of a nigh explosive such as
in the sudden formation of a pressure or shock wave, calied a blast wave in the air an
when the energy is imparted to water or Earth.
blast wave.
An air pulse in which the pressure increases sharply at the front accompanied
Beta-
ive) beta
ocity.
NT, results
a snock wave
winds
propagated from an explosion.
1
oiast
yield,
That portion of the total energy of a nuclear explosion tnat manifests itself
s blast and
.
Shock waves.
uoamo cebris.
BRL.
See weapon debris.
Ballistics Research Laboratories, Aberdeen Proving Ground, Maryland (Army).
duilea.
Bureau of Medicine and Surgery (Navy).
burst.
Explosion; or detonation.
BuShips.
C-47.
See also airburst, high-altitude burst, surface burst.
Bureau of Ships (Navy).
A twin-engine transport aircraft manufactured by Vouglas Aircraft Company (Air Force
OC~3).
fersion of the
C-54.
A 4-engine military cargo and personnel transport manufactured by Douglas Aircraft Conpany (Air
Force version of the OC-4).
cab.
The shelter that covers a nuclear device being prepared for test.
Earth's surface, or on a barge.
May be located on aftower, on tne
Canberra. An RAF twin-turbojet, all-weather, tactical bomber developed by English Electric.
the United States and used by the Air Force as the B-57.
JAiso built in
cathode-ray tube. A vacuum tube in which cathode rays (electrons) are beamed upon a fluores nt screen to
proguce a luminous image. The character of this image is related to, and controlled by, one or more
electrical signals appiied to the cathode-ray Deam as input information. The tubes are sed in measuring instruments such as oscilloscapes and in radar and television displays.
cave.
lis ot.
CIC.
A heavily shielded enclosure in which radioactive materials can be remotely manipulate
radtation exposure af personnel.
Abvreviation for curie, which see.
1950s.
Ci
to avoid
is preferred now but c was the abbreviation usd in the
ounter-Intelligence Corps (Army).
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