Simplify the following text for a Grade 5 native English-speaking person.
Original: The Jet Propulsion Laboratory ( JPL ) is a federally funded research and development center ( FFRDC ) owned by NASA and operated as a division of Caltech through a contract between NASA and Caltech .
Simplified: Caltech is not owned or run by the United States , or NASA , but NASA pays Caltech to run JPL for them .