Helicopter Maritime Strike Squadron
The HSM designation was created in 2006 when the Fleet Replacement Squadron for the MH-60R Seahawk was redesignated from HSL. The new designation was created to reflect the MH-60Rs multi-mission capabilities which combined the area search capabilities of the SH-60B flown by the Helicopter Anti-Submarine Squadron Light (HSL) squadrons with the dipping sonar of the SH-60F flown by the carrier based Helicopter Anti-Submarine (HS) squadrons. The first operational fleet squadron to receive the MH-60 Romeo was HSM-71 in fiscal year 2008. With the transition of the HS squadrons to HSC squadrons without any ASW capability and the disestablishment of the last Air Antisubmarine (VS) squadrons, all ship based airborne ASW capabilities now reside in the new HSM squadrons.
From 2009 to 2015 all Helicopter Anti-Submarine Squadron Light (HSL) squadrons transitioned to the MH-60R and were redesignated Helicopter Maritime Strike (HSM) squadrons. Additionally, new HSM squadrons were established in order to provide an HSM squadron to each Carrier Air Wing and to provide "Expeditionary" squadrons to supply detachments of MH-60Rs to ships other than aircraft carriers. Expeditionary HSM squadrons are capable of deploying mixed detachments of MH-60R and MQ-8B aircraft.
| HSM- Squadrons | |
| HSM-35 | 2013 - present |
| HSM-37 | 2013 - present |
| HSM-40 | 2010 - present |
| HSM-41 | 2013 - present |
| HSM-46 | 2012 - present |
| HSM-48 | 2014 - present |
| HSM-49 | 2015 - present |
| HSM-51 | 2013 - present |
| HSM-60 | 2015 - present |
| HSM-70 | 2009 - present |
| HSM-71 | 2007 - present |
| HSM-72 | 2013 - present |
| HSM-73 | 2012 - present |
| HSM-74 | 2011 - present |
| HSM-75 | 2011 - present |
| HSM-77 | 2009 - present |
| HSM-78 | 2012 - present |
| HSM-79 | 2016 - present |
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