The Boeing EA-18G "Growler" was designed and developed to overtake the Electronic Warfare Aircraft (EWA) role from the venerable Grumman EA-6B "Prowler" of the United States Navy. The Prowler has served through several decades and notable conflicts while itself being a further evolution of the original Grumman A-6 "Intruder" carrier-based strike aircraft. The USN has long forged use of its proven aircraft airframes to undertake the vital EWA role, resulting in budget-conscious solutions to a very important battlefield need. The Growler - based on the F/A-18F Super Hornet Block II production model - intends to take the EWA mantle from the Prowler through a good portion of the new millennium, utilizing the latest in jamming software and onboard equipment to blind enemy air defenses. While Boeing serves as the major manufacturing label on the Growler product, it is also being completed with assistance from Northrop as well as General Electric, the latter responsible for the engines. The Growler stocks the ranks of USN squadrons VAQ-129, VAQ-130, VAQ-132, VAQ-135, VAQ-137, VAQ-138 and VAQ-141.
Suppression of air defenses has long been a concern for any warplanner. Since the advent of military aviation beginning with World War 1, there brought forth a response for ground-based cannons to effectively engage incoming formations of enemy aircraft. World War 2 gave rise to the use of radar and ground-based gunnery was further improved through better ammunition design and implementation of rudimentary computers. By the time of the Cold War, missile technology was at the fore front of air defense networks and suitable counters were needed to suppress, or outright destroy, these networks before dedicated strike aircraft could penetrate enemy airspace to strike at targets. This gave rise to the EWA platform whose sole purpose was suppression and destruction of air defense targets through use of specialized equipment and weaponry while offering communications-jamming facilities rendering the enemy "blind" during the action. Such aircraft were used to devastating effect in the Persian Gulf War - the first true "digital" war - ahead of the main aerial strike formations. For decades, the Grumman EA-6B "Prowler" had served in this role for the USN and now the newer Growler will be fielded as her successor. Her inherent Super Hornet multirole qualities will also allow her to escort dedicated, strike-minded allies into enemy territory while providing a swathe of electronic protection.
A new demonstration aircraft based on the F/A-18F "Super Hornet" two-seat, carrier-based strike aircraft was first flown in November of 2001. Having liked what it saw, the USN signed a development contract with The Boeing Company in December of 2003 for further development which began in 2004. Two evaluation aircraft - the "EA-1" and "EA-2" - were then constructed for the various testing phases to come. First flight of a true EA-18G "Growler" was recorded on August 15th, 2006 and this was subsequently followed by delivery of the first production-quality Growler in 2007. Fleet Readiness Squadron VAQ-129 of Naval Air Station Whidbey Island, Washington, received the Growler on June 3rd, 2008. Sea trials were successfully completed in August of 2008 from deck of the aircraft carrier USS Dwight D. Eisenhower. Initial Operational Test and Evaluation wrapped up in May of 2009 and formal introduction of the system for operational status within the USN inventory commenced on September 22nd, 2009. Full-rate production was ordered by the US Government in November of 2009 and first examples (perhaps as many as 46) were already on hand by the end of 2010.
The procurement of the EA-18G Growler will happen alongside procurement of Super Hornets for budgetary reasons as the EA-18G shares up to 99% commonality of parts with the F/A-18E and F/A-18F Super Hornets which means that the system will be allowed to grow as the Super Hornet series itself grows, keeping future costs within check as a result. The F/A-18F itself is a proven multirole airframe based on the successful F/A-18 Hornet fighter series that replaced the legendary Grumman F-14 Tomcat interceptors on US Navy carriers. The multirole nature of the Hornet series has translated well up to this point and the arrival of the Growler only solidifies the Hornet's foothold within the American air arm - for both the United States Navy and the United States Marine Corps. Despite its modifications to the new "Growler" standard, the EA-18G maintains much of the base performance specifications of the original Super Hornet it is based on, making it an inherently potent weapons delivery platform. Beyond the USN, the Australian Air Force has shown interest in procurement of the Growler, they already having committed to the purchase of two-dozen F/A-18 Super Hornets.
The Growler is crewed by two personnel made up of the pilot and the systems officer (unlike the Prowler's four-man crew) and are seated in tandem with the pilot in the forward cockpit and the systems officer in the rear cockpit. Outwardly, the Growler shares much of the appearance from the Super Hornet (and base Hornet) from which it was developed from. The cockpit is situated behind a long nose cone assembly housing the Raytheon AN/APG-79 Active Electronically Scanned Array (AESA) radar system. Wing roots are extended well forward of the wings, creating something of a shroud over and ahead of the slanted rectangular air intakes. The air intakes straddle the fuselage and aspirate the twin engine arrangement. Wings are set well aft of amidships (a decidedly Hornet design feature) and are slightly swept in shape. Each are cleared to carry thousands of pounds of ordnance for a variety of sortie types. The empennage is dominated by a pair of outward canted vertical tail fins - the Hornet's telltale identifiable sign - as well as extremely rear-set horizontal tail planes. The engines exhaust at the rear of the aircraft through a pair of circular rings. The undercarriage is of the tricycle arrangement and fully retractable. For carrier service, the Growler maintains the Hornet's tow cable arrestor hook system as well as folding wings for ease of storage. The electronic warfare equipment primarily resides in what would be the internal cannon bay on the strike-ready Super Hornet and the equipment is further spread into two wingtip pods - these hardpoints usually reserved for the AIM-9 Sidewinder on the combat-minded Super Hornet.
The Growler is powered by a pair of General Electric F414-GE-400 turbofan engines offering up to 14,000lbs of thrust each and up to 22,000lbs of thrust with afterburner ("reheat"). This supplies the airframe with a top speed nearing 1,200 miles per hour (Mach 1.8) at altitude and a range of 1,470 miles. Her combat radius is listed at 450 miles with a ferry range of 2,000 miles. The Growler's service ceiling is over 50,000 feet and, thusly, each crewmember is supplied an oxygen system and ejection seat.
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August 2012 - At the cost of $1.5 Australian Dollars, the Royal Australian Air Force has committed to the conversion of 12 of its existing 24 x F/A-18F Super Hornets to the Growler standard, making Australia the first foreign operator of the EA-18G Growler system (joining the USN).
May 2013 - The Australian government has decided against the conversion of twenty-four of its existing F/A-18F Super Hornets to the electronic warfare role and will instead procure all-new dedicated EA-18G Growlers in 12 examples.
July 2015 - The first Growler intended for RAAF service rolled out of the Boeing St. Louis factory.
April 2019 - The 160th Growler airframe is expected to be delivered to the United States Navy by mid-2019.
May 2019 - Boeing design work covering modernization/upgrading of the United State Navy's EA-18G has begun (through the "Block II" initiative). Upgrades already implemented into the F/A-18E/F model production line will be implemented into the EA-18G program to broaden mission capability as well as lengthen service lives.
February 2020 - The United States Navy has flown two autonomous EA-18G Growler platforms alongside a controlling third EA-18G.
August 2020 - A Boeing EA-18G was used to test the Next Generation Jammer Mid-Band (NGJ-MB) pod during a first-flight of the system. The flight took place on August 7th, 2020 by an aircraft belonging to VX-23 of Naval Air Station Patuxent River, Maryland.
October 2020 - Australia is being offered the Growler Block II upgrade.
March 2021 - Boeing and USN have begun a major upgrade program for the USN's EA-18G Growler fleet.
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