Radiological Assistance Program 
Remedial Action Plan 
Research Applications Program 
Radio Access Point 
Remedial Action Program 
reclaimed asphalt pavement 
Retained Access Power 
right atrial pressure 
Radar-Absorbing Paint 
Radiological Assistance Plan 
Radon Action Plan 
Ranui Action Project 
Rapid Application Prototyping 
rapid assessment procedures 
Rear Area Protection 
receptor associated protein 
Recognised Air Picture 
Recognized Air Picture 
Recoverable Advance Payment 
Regimental Aid Post 
regional acceleratory phenomenon 
Registration Assessment Panel 
Regulatory Accounting Principles 
Reliable Acoustic Path 
Relocation Assistance Program 
Remedial Accomplishment Plan 
Remote Access Point 
Research and Analysis Program 
Resource Allocation Process 
Resource Allocation Protocol