Definitions containing the term navy-unique fleet essential aircraft

What does navy-unique fleet essential aircraft mean?

UATC	United Aircraft and Transport Corporation Business » Firms
A/C	Aircraft Governmental » Military
USN	United States Navy Governmental » Transportation
USN	United States Navy Governmental » United Nations
USN	United States Navy Governmental » Military
ACFT	Aircraft Governmental » Military
ARFF	Aircraft Rescue & Fire Fighting Governmental » Transportation
UID	Unique IDentifier Computing » Security
NEX	Navy EXchange Governmental » Military
GUID	Globally Unique Identifier Computing » General
RAN	Royal Australian Navy Academic & Science » Ocean Science
RAN	Royal Australian Navy Governmental » Military
RAN	Royal Australian Navy Regional » Australian
FLT	Fleet Governmental » Military
AOPA	Aircraft Owners and Pilots Association Governmental » Transportation
NVY	Navy Governmental » Military
TEKS	Texas Essential Knowledge and Skills Community » Educational
USN	United States Navy Academic & Science » Amateur Radio
USN	United States Navy Academic & Science » Meteorology
USN	United States Navy Academic & Science » Universities
USN	United States Navy Business » Positions
USN	United States Navy Community » Museums
USN	United States Navy Governmental » FBI Files
USN	United States Navy Governmental » NASA
USN	United States Navy Medical » Hospitals

Navy-unique fleet essential aircraft: Combatant commander-controlled airlift assets deemed essential for providing air transportation in support of naval operations