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on the service budget estimates.
MDA GLOSSARY, VER. 4.0 R
245
RECON Reconnaissance.
Reconciliation Directives to standing committees contained in congressional budget resolutions
calling for certain dollar savings and a deadline for reporting legislation to
achieve the savings. Omnibus reconciliation bill incorporating these changes is
introduced and acted on in both houses.
Reconstitute To restore, during periods of hostile engagements or during peacetime, military
forces or elements as closely as possible to a desired state of readiness for
combat.
Red/Blue
Exchange
A process to identify and define potential countermeasures that would degrade
aspects of ballistic missile defense. The process – akin to a wargame – pits a
Red team fielded by DSIM and a Blue team fielded by AQ. A senior review
panel acts as the referee.
REDCAP Real-time Electromagnetic Digitally Controlled Analyzer and Processor (USAF
term).
Redout The degradation of infrared sensor resolution due to high-altitude nuclear bursts.
Radiation from these bursts causes fluorescence-emission of light from air
molecules. The emitted light lies within the long-wave IR spectrum so the
atmosphere below appears to the sensor to glow more brightly than usual.
Redundancy The inclusion of duplicate or alternate system elements to improve operational
reliability by ensuring continued operation in the event that a primary element
fails.
Reengineering The process of examining, altering, and re-implementing an existing computer
system to reconstitute it in a new form.
Reentry The return of objects originally launched from earth, into the atmosphere.
Reentry Angle Elevation angle of velocity vector relative to local horizontal plane when
reentering object reaches 92km.
Reentry Phase That portion of the trajectory of a ballistic missile or space vehicle where there is
a significant interaction of the vehicle and the earth’s atmosphere.
Reentry Vehicle
(RV)
(1) Reentry vehicles are objects containing nuclear warheads. They are
released from the last stage of a booster rocket or from a post-boost
vehicle early in the ballistic trajectory. They are thermally insulated to
survive rapid heating during the high velocities of reentry into the
atmosphere, and are designed to protect their contents until detonation
at their targets.
(2) That part of a space vehicle designed to re-enter the Earth’s atmosphere
n the terminal portion of its trajectory.
Regional Defense
System (RDS)
That portion of the SDS that provides defense for a specific geographic region,
such as the European Theater.
Regional
Operations
Center (ROC)
A group of fixed and/or mobile centers with OPCON over allocated ground based
sensors and weapons.
MDA GLOSSARY, VER. 4.0 R
246
Regional
Operations
Control Center
(ROCC)
The command function for CONUS, Canadian and Alaska NORAD Regions,
referred to as “regions.” In the Alaska NORAD region, the ROCC is also the
central intelligence, communications and operations control center established
for the purpose of supervising and coordinating the combat effort of all air
defense forces made available to the Alaska NORAD region commander. Under
normal operating conditions (not degraded), the ROCC is responsible for the
identification function and for air and ballistic missile defense of North America.
Regrade To determine that certain classified information requires, in the interests of
national security, a higher or lower degree of protection against unauthorized
disclosure than currently provided, coupled with a changing of the classification
designation to reflect such higher or lower degree.
REL NAV Relative Navigation (JTIDS term).
Relay Mirror Part of a ground-based laser system.
Reliability and
Maintainability
(R&M)
Reliability and maintainability design parameters are key factors in the design of
affordable and supportable systems. R&M parameters provide inputs into the
design and LSA processes that quantitatively link system readiness to the ILS
elements. One of the principal elements of ILS.
Reliability,
Availability, and
Maintainability
(RAM)
Those requirements imposed on acquisition systems to ensure they are
operationally ready for use when needed, will successfully perform assigned
functions, and can be economically operated and maintained within the scope of
logistics concepts and policies. RAM programs are applicable to materiel
systems, test measurement and diagnostic equipment, training devices, and
facilities developed, produced, maintained, procured, or modified for use. (See
　
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