| Acronym | Meaning |
 | IPDR | Incremental Preliminary Design Review |
| IPE | Industrial Plant Equipment |
| IPF | IUS Processing Facility |
| IPL | Indentured Parts List |
| IPL | Initial Program Load |
| IPL | Initial Program Load |
| IPR | Interim Problem Report |
| IPS | I RAN) |
| IPS | I RTCMIntegrated Real-Time Contamination Monitor |
| IPS | Inches Per Second |
| IPS | Inertial Reference Integrating Gyro |
| IPS | Infrared |
| IPS | Initiating Reference Document |
| IPS | Inner Roll Gimbal |
| IPS | Inside Radius |
| IPS | Instrument Pointing System (Subsystem) |
| IPS | Instrumentation Power Subsystem |
| IPS | Integral Rocket Ramiet |
| IPS | Interconnecting Station |
| IPS | Interface Problem Sheets |
| IPS | Interface Requirement List |
| IPS | International Rendezvous |
| IPS | Interrange Instrumentation Group |
| IPS | Inverter Power Supply |
| IPS | Ips International Pipe Standard |
| IPS | IPSL Interface Problem Status Log |
| IPS | IPT In-Plant Transporter |
| IPS | IPTCSInternational Pipe Thread |
| IPS | IRInclination Of The Ascending Return |
| IPS | IR SPECTInfrared Spectrometer |
| IPS | IRAN Inspection And Repairs As Necessary |
| IPS | IRANSATfranian Government Communications Satellite (replace |
| IPS | IRAR Internal Variable |
| IPS | IRD Information Requirements Document |
| IPS | IRG Inertial Rate Gyro |
| IPS | IRIG Inertial Rate Integrating Gyro |
| IPS | IRIG-BInterrange Instrumentation Group B |
| IPS | IRIS Italian Research Interim Stage |
| IPS | IRL Initiating Reference Letter |
| IPS | IRME Initiator Resistance Measuring Equipment |
| IPS | IRN Interface Revision Notice |
| IPS | IRR InsPection Rejection Report |
| IPS | IRU Inertial Reference Unit |
| IPS | IRV Isotope Reentry Vehicle |
| IPS | IsInstallation Support |
| IPS | ISA Interim Stowage Assembly |
| IPS | Isc Initial Software Configuration Map |
| IPS | ISD Instructional Systems DeveloPment (USAF) |
| IPS | Lglc)O Passive Thermal Control Section |
| ISC | Johnson Space Center (formerly MSC) |
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