ICAO International Civil Aviation Organization

ILS instrument landing system

ITAR International Traffic in Arms Regulations

IVHM integrated vehicle health management

JPDO Joint Planning and Development Office

JPL Jet Propulsion Laboratory

JSF Joint Strike Fighter

L/D lift:drag ratio

LDI lean direct injection

LES large eddy simulation

LPP lean, premixed, prevaporized

MDO multidisciplinary design optimization

MEA more-electric aircraft

MEANS Materials Engineering for Affordable New Systems (Program)

METAR meteorological aviation report

MURI Multidisciplinary University Research Initiative

NASA National Aeronautics and Space Administration

NCAR National Center for Atmospheric Research

NDE nondestructive evaluation

NGATS Next Generation Air Transportation System

NOAA National Oceanic and Atmospheric Agency

NOx oxides of nitrogen

NRC National Research Council

PIREP pilot report

PM particulate matter

PMAD power management and distribution

QFD quality function deployment

R&D research and development

R&T research and technology

RANS Reynolds-averaged Navier-Stokes

RNP required navigational performance

RVSM Reduced Vertical Separation Minima

SIGMET significant meteorological information

SMA shape memory alloys

SOx oxides of sulfur

SSTO single stage to orbit

STOL short takeoff and landing

TAF terminal area forecast

TBCC turbine-based combined cycle

TCP Transmission Control Protocol

TPS thermal protection system

TRL technology readiness level

TSTO two stage to orbit

T/W thrust to weight ratio

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