BA02
BA02 stands for Budget Activity 02 – Exploratory Development
BA05
BA05 stands for Budget Activity 05 – Engineering and Manufacturing Development
BA01
BA01 stands for Budget Activity 01 – Basic Research
BA/RSP
BA/RSP stands for Batting Average with Runners in Scoring Position (baseball)
BA/RRM
BA/RRM stands for Biological Abstracts/Reports, Reviews, Meetings
BA/RD
BA/RD stands for Business Area Requirements Document
BA07
BA07 stands for Budget Activity 07 – Operational Systems Development
BA/PA
BA/PA stands for Budget Authorization/Program Authorization
BA/CA
BA/CA stands for Bone Age/Chronological Age Ratio
BA-NA
BA-NA stands for Biofeedback Association of North America (trade association; various locations)