ARABIAN GULF (Nov. 05, 2021) The Cyclone-class coastal patrol ship USS Firebolt (PC 10) fires a Griffin missile during a test and proficiency fire in the Arabian Gulf, Nov. 5, 2021. Firebolt, assigned to Commander, Task Force (CTF) 55, is supporting maritime security operations and theatre security cooperation efforts in the U.S. 5th Fleet area of operations. (U.S. Army photo by Spc. Aleksander Fomin) 211105-A-PX137-0082
Technically the BGM-176B Griffin B, or the Sea Griffin, is the navalized ground-launched version of Raytheon’s low-cost (compared to more advanced missiles) 34-pound bunker/tank buster that was lighter than the Hellfire used by the Army was originally designed for use from helicopters, UAVs and Marine KC-130s/USAF MC-130s.
Originally pitched as an add-on for the LCS to enable it to zap especially rowdy pirates and asymmetric fast boat threats, the 13-pound warhead would only really be effective against a larger ship in the case of bridge shots and needs an operator with a semi-active laser to paint a target. With that, the Navy opted for a modified Longbow Hellfire– which can use the ship’s radar and be used against multiple targets at once– for the LCS, along with the Naval Strike Missile for heavy work.
However, adopted as the MK-60 Patrol Coastal Griffin Missile System (GMS), the chunky Griffin B has been getting it done on the 170-foot Cyclones, in twin four-cell topside mounts, since 2013. This gives each of these short boys eight decently powerful close-in (3-5nm) missiles, coupled with the ability to use the ship’s mast-mounted Bright Star EO/IR camera for targeting, which gives them a solid stand-off capability against Iranian Boghammars and similar threats.
Personally, I’d like to see it installed on the Coast Guard’s very similar 158-foot Sentinel-class Fast Response Cutters, at least for the six of the class intended to operate forward deployed with PATFORSWA in the Persian Gulf under CENTCOM. They could also likely be of use on the USCG’s increasingly WestPac units of the same class.
Video of Firebolt’s recent test:
Five TF55-based Cyclone-class coastal patrol ships —USS Tempest (PC 2), USS Squall (PC 7), USS Chinook (PC 9), USS Firebolt (PC 10) and USS Thunderbolt (PC 12)— recently had the chance to sling Griffin SSMs at moving target sleds to demonstrate their ability to hit surface targets, like small boats.
170718-N-VG873-0159 ARABIAN GULF (July 18, 2017) A griffin missile is launched from the coastal patrol ship USS Chinook (PC 9) during a test and proficiency fire. USS Chinook is one of 10 coastal patrol ships assigned to Coastal Patrol Squadron (PCRON) 1, which is forward deployed in Manama, Bahrain, in support of maritime security operations and theatre security cooperation efforts in the U.S. 5th Fleet area of operations. (U.S. Navy photo by Mass Communication Specialist 2nd Class Austin L. Simmons/Released)
The tests came late last month, around the time of increased Iranian challenges in international waters from Revolutionary Guard small craft in the PG.
The MK 60 Griffin Missile System uses a four-cell box launcher about the size of a Barcalounger, with one each mounted port and starboard on the 179-foot PC, giving them 8 modified Hellfire missiles at hand to regulate small craft–and I would bet low/slow-flying aircraft as well.
The system began fielding in 2015 and uses a Battle Management System (BMS) based on a ruggedized “Toughbook” laptop is operated from the bridge drawing from target imagery from the ship’s mast-mounted Bright Star EO/IR camera. Range is listed at 3nm, but is likely a good bit longer.
While the 13-pound warhead isn’t likely to sink a frigate, it and the kinetic energy of the missile itself is probably good enough to scratch anything less than 100-footer while a salvo of four (as they can be ripple fired to the same illuminated target) could ruin the day of a corvette-sized warship if needed. Good news is they can’t be chaffed or EW’d away due to the IR nature of their warhead seeker. Bad news is the target has to be lit up the whole time by Bright Star which limits a shoot-and-scoot engagement.