LRRs evaluate a program/project and its ground, hardware, and software systems for readiness for launch.

LVs are rockets that send people and other payloads into space.

The act of maintaining information in a correct and independently understandable form over the long term, i.e. a period of time long enough to be concerned with the impact which changing technologies, including support for media and data formats, and changing user communities will have on the information being held in a repository. 

See: Preservation.