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corruption
gas-turbine flame tube, admits film of cooling air; colloq.
wiggly-strip.
corruption Degradation of EDP (1) memory, typically
from severe EM interference or, with volatile memory,
from switching off power.
CORS Continuously operating reference station
(NGS).
Corsaire Co-ordination of research for the study of
aircraft impact on the environment (EU).
COS 1 Corporation for open systems, software
improvement concept.
2 Common operating system.
CoS Chief of Staff.
Cosac Computing system[s] for air cargo.
Coscap, COSCAP A grouping being formed (from
2005) by 90+ members to oversee safety and implement
international standards and procedures. By 2005 ACSA,
PASO, *SA [south Asia], *SEA [south-east Asia] and
*NA [north Asia] were functioning, and weven more
groups had been established (ICAO).
Cosim Variometer (colloq., obs.).
Coslane Constant [lateral] separation lane.
Coslettising Anti-corrosion treatment involving a wet
deposition of Zn.
cosmetic RFP Issued for sake of appearance, contract
award being already decided.
cosmic speeds Those sufficiently high for interstellar
exploration, similar to that of light; even allowing for relativistic
time effects these are wholly unattainable at
present.
cosmodrome Space launching site (USSR).
cosmology Science of the Universe.
cosmonaut Member of spacecraft crew (USSR, R).
cosmonautics See astronautics.
Cospar Committee on Space Research [office, F-75016
Paris] (Int.).
Cospas Anglicised form of space system for search for
distressed vessels [e.g., downed aircraft], in conjunction
with Sarsat (R).
Cosro Conical scan, receive only, i.e. only during
reception.
Cossi Commercial Operations and support savings
initiative.
Cost European Co-operation in the field of Scientifc
and Technical Research [established by EU November
1971] (Int.).
cost In procurement main elements may include R&D,
T&E, flyaway, spares provisioning, ground equipment,
base, crew and publications. Operating adds fuel and
other consumables, depreciation and various indirect *.
costa Rib, translated in aviation not as wing rib but as
fuselage frame.
costal Pertaining to frames or ribs; hence intercostal.
Costar Correcting optics space telescope axial replacement
(Hubble).
cost/economical Cruise conditions for minimum trip
cost.
cost-effectiveness Measure of desirability of product,
esp. a weapon system, in which single quantified figure for
capability (including reliability, survivability and other
factors) is divided by various costs (total ownership,
acquisition etc).
cost plus fixed fee Reward invariant with actual costs
but fee may be renegotiated.
countermeasures
cost plus incentive fee Reward covers actual costs plus a
fee which depends on contractor performance and
possibly costs.
cost-sharing No fee, contractor merely reimbursed
agreed percentage of costs.
COT 1 Compressor outlet temperature.
2 At the coast.
3 Centre of twist.
Cotal Confederación de Organizaciones Turisticas de la
America Latina (Int.).
CoTAM Commandement du Transport Aérienne
Militaire (F).
Cotim Compact thermal-imaging module.
COTP Connection-oriented transport protocol.
COTS, Cots 1 Commercial off-the-shelf [item already
available, esp. for military a/c].
2 Cabin offtake system.
3 Commercial orbital transportation system (NASA).
cottage loaf Fuselage with smaller-section upper deck
and unfaired sides [almost figure 8].
cotter pin 1 Wedge-shaped pin used in joining parts, or
transmitting rotation.
2 In US, often split pin.
CO 2 Carbon dioxide.
Cougar 1 Co-operative unmanned ground-attack robot
(USA).
2 Counter-UAV GBAD additional module requirement.
coulomb SI unit for quantity of electricity or electric
charge, = 1 As, symbol C.
coulomb damping That due to opposing force independent
of distance or velocity; also called dry friction
damping.
coulomb excitation Raising of energy level as a result of
charged particle passing outside range of nuclear interactions.
Coulomb’s law Force between two magnetic or electric
charges is proportional to product of charges and
Q 1 Q
inversely to square of distance apart: F = –––––– 2
.
4π r 2
countdown Oral telling-off of time, usually at first in
minutes, then in seconds, remaining before launch of
vehicle or other event.
counter 1 Portion of ship hull from stern overhanging
water; thus applicable to undersurface of rear fuselage
above and behind jet nozzles or other lower section.
2 Electronic circuit which counts bits, impulses, waves
or other repeated signals.
counter air Defensive and offensive actions against
enemy air power.
counterfeit part An unapproved part knowingly
installed.
counterforce Attack directed against enemy ICBMs and
SLBMs or other strategic forces.
counter-illumination Challenging LO technology in
which appearance of an object is changed or [in theory]
eliminated by nullifying incident illumination; also called
active visual camouflage.
counter-insurgent, Coin Directed against supposed
primitive guerrilla forces.
countermeasures All techniques intended to confuse or
mislead hostile sensors such as radar, IR, visual, TV or
noise.
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