YVV-1 means Program Safety Office, Directorate of Launch Base Operations in
NASA
Similar to YVV-1
A&E - Architects and Engineering
A&I - Assembly and Installation
A&L - Approach and Landing
A&P - Attitude and Pointing
A&PS - Administration and Program Support
MSFC Directorate
A&R - Automation and Robotics
A&RC - Application and Resource Control
View all in NASA