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US Navy
Air Squadrons
  Helicopter Squadrons  
acronym squadron designation timeframe
HC Helicopter Combat Support Squadron 1965-2007
HCS Helicopter Combat Support Special Squadron 1988-2006
HM Helicopter Mine Countermeasures Squadron 1971-present
HS Helicopter Anti-Submarine Squadron 1951-2016
HSC Helicopter Sea Combat Squadron 2005-present
HSL Helicopter Anti-Submarine Squadron, Light 1972-2015
HSM Helicopter Maritime Strike Squadron 2005-present
HT Helicopter Training Squadron 1960-present
HAL Helicopter Attack Squadron, Light 1967-72 / 1976-88
  other Helicopter Squadrons - not listed  
HCT Helicopter Combat Support Training Squadron 1974-77
HTU Helicopter Training Unit 1950-57
HU Helicopter Utility Squadron 1948-65
  Fixed Wing Squadrons  
acronym squadron designation timeframe
VA Attack Squadron 1946-97
VAQ Tactical Electronic Warfare Squadron or
Electronic Attack Squadron
VAW Carrier Airborne Early Warning Squadron 1948 / 1956-present
VC Composite Squadron or
Fleet Composite Squadron
1943-45 / 1948-56
VF Fighter Squadron 1948-2006
VFA Fighter Attack Squadron or
Strike Fighter Squadron
VFC Fighter Squadron Composite 1988-present
VP Patrol Squadron 1924-44 / 1946 / 1948-present
VQ Fleet Air Reconnaissance Squadron 1961-present
VR Fleet Tactical Support Squadron or
Fleet Logistics Support Squadron
VRC Fleet Tactical Support Squadron (COD) or
Fleet Logistics Support Squadron (COD)
VS Carrier Air Anti-Submarine Squadron or
Sea Control Squadron
VT Training Squadron 1960-present
VX Air Test and Evaluation Squadron 1969-present
  older or minor fixed-wing Squadrons  
RVAH Reconnaissance Attack Squadron 1964-79
VAH or VA(H) Heavy Attack Squadron 1955-71
VAK Tactical Aerial Refueling Squadron 1979-89
VAL or VA(L) Light Attack Squadron 1969-72
VAP or VA(P) Heavy Photographic Reconnaissance Squadron or
Photographic Reconnaissance Squadron (Heavy) or
Heavy Photographic Squadron
VFP or VF(P) Light Photographic Reconnaissance Squadron or
Photographic Reconnaissance Squadron or
Photographic Reconnaissance Squadron (Light) or
Light Photographic Squadron
VPU Patrol Squadron Special Unit 1982-present
VXE Antarctic Development Squadron 1969-99
VXN Oceanographic Development Squadron 1969-93
VXS Scientific Development Squadron 2004-present
  other fixed-wing Squadrons - not listed  
RVAW Carrier Airborne Early Warning Training Squadron 1967-83
VA(AW) All-Weather Attack Squadron 1956-59
VA(HM) Attack Mining Squadron 1956-59
VAW Carrier Tactical Electronics Warfare Squadron 1968
VB Bombing Squadron or
Light Bombing Plane Squadron
VBF Bombing Fighting Squadron 1945-46
VCN Night Composite Squadron 1946-48
VCP Photographic Composite Squadron 1959-61
VCS Cruiser Scouting Squadron 1937-45
VD Photographic Squadron 1943-46
VE Evacuation Squadron 1944-45
VF Combat Squadron 1922
VF Fighting Plane Squadron or
Fighting Squadron
VF(AW) All-Weather Fighter Squadron or
Fighter (All-Weather) Squadron
VFN or VF(N) Night Fighting Squadron 1944-46
VGF Escort-Fighter Squadron 1942-43
VGS Escort-Scouting Squadron 1942-43
VH Rescue Squadron 1944-46
VJ Utility Squadron or
General Utility Squadron
VJ Weather Squadron or
Weather Reconnaissnace Squadron
VJ Photographic Squadron 1952-56
VK Special Air Task Squadron 1943-44
VN Training Squadron 1927-47
VO Spotting Squadron 1922
VO Observation Plane Squadron or
Observation Squadron
1923-45 / 1947-49
VOC Composite Spotting Squadron 1944-45
VOF Observation Fighter Squadron 1942-45
VP Seaplane Patrol Squadron 1922
VP-AM Amphibian Patrol Squadron 1946-48
VPB Patrol Bombing Squadron 1944-46
VP-HL Heavy Patrol Squadron (landplane) 1946-48
VPM Meteorological Squadron 1946-47
VP-ML Medium Patrol Squadron (landplane) 1946-48
VP-MS Medium Patrol Squadron (seaplane) 1946-48
VPP or VP(P) Photographic Squadron or
Patrol Squadron (Photographic)
VPW Weather Reconnaissance Squadron 1945-48
VPW Air Early Warning Squadron 1948
VQ Electronic Countermeasures Squadron 1955-60
VR Transport Squadron or
Air Transport Squadron

Fleet Logistic Air Squadron
VRE Air Transport Evacuation Squadron 1945
VRF Transport Ferry and Service Squadron 1943-46
VRF Air Ferry Transport Squadron or
Air Ferry Squadron
VRF or VR(F) Aircraft Ferry Squadron 1957-86
VRJ Utility Transport Squadron 1945-46
VRS Air Ferry Service Squadron or
Ferry Command Service Squadron
VRU Transport Utility Squadron 1946-48
VS Scouting Plane Squadron or
Scouting Squadron
VSF Anti-Submarine Fighter Squadron 1965-73
VT Torpedo Plane Squadron 1921
VT Torpedo Bombing Plane Squadron or
Torpedo Bombing Squadron
VT Torpedo Squadron 1930-46
VTN Night Torpedo Squadron 1944-46
VU Utility Squadron 1946-65
VW Air Early Warning Squadron or
Airborne Early Warning Squadron
Fleet Early Warning Squadron
VW Weather Reconnaissance Squadron or
Fleet Weather Reconnaissance Squadron
VX Experimental Squadron 1927-43 (circa)
VX Experimental and Development Squadron or
Operational Development Squadron
Air Operational Development Squadron
Air Development Squadron
ZJ Blimp Utility Squadron 1944-45
ZK Kite Balloon Squadron 1922-24
ZP Airship Patrol Squadron 1942-61
ZP Blimp Squadron 1942-61
ZP Airship Patrol Squadron (All-Weather Anti Submarine) or
Airship Squadron
LTA Patrol Squadron
ZW Airship Early Warning Squadron 1956-61
ZX Airship Operational Development Squadron or
Airship Development Squadron
  the following Squadron designations were developed but the
US Navy never established Squadrons using this designations
ZKN Kite Balloon Training Squadron  
ZKO Kite Balloon Observation Squadron  
ZNN Non-rigid Airship Training Squadron  
ZNS Non-rigid Airship Scouting Squadron  
ZRN Rigid Airship Training Squadron  
ZRP Rigid Airship Patrol Squadron  
ZRS Rigid Airship Scouting Squadron  
ZS Airship Anti-Submarine Squadron  

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