What does SIRR stand for?

Section on Individual Rights and Responsibilities (EA)

Small Integral Rocket/Ramjet (MCD)

Software Integration Readiness Review - NASA (NASA)

Solid Integral Rocket Ramjet (SAUS)

Southern Industrial Railmad, Inc. (SAUS)

Southern Industrial Railroad, Inc. - AAR code

System Integration Readiness Review - Military (ACAE)