
C-130J & KC-130J Super Hercules
Pilot and loadmaster programs with an emphasis on cargo management, aerial refueling and tactical operations, plus C-130H tactical and transition-to-J training.
- Pilot
- Loadmaster
- Maintenance
- Aerial refueling
HMK USA provides qualified pilots, loadmasters, engineers and maintainers; trains your crews on U.S. defense aircraft; advises on acquiring and sustaining your fleet; and partners with governments to establish national Centers of Excellence.
HMK USA LLC and HMK CAPITAL LLC share their Global Headquarters (GHQ) in Newport Beach, California. HMK USA’s MENA Headquarters in the Kingdom of Bahrain is the regional gateway to U.S. defense technologies and advanced defense and security training, including special operations.
Drag to rotate · select a location to fly to it
We need qualified pilots, loadmasters, engineers or maintainers.Aviation Workforce SolutionsVetted aviation professionals, from instructor crews to embedded maintenance teams.
We need to train our crews.Aircrew & Maintenance TrainingC-130J/KC-130J, UH-60M Black Hawk and F-16 training, in simulators and live aircraft.
We need to acquire, expand or sustain our fleet.Fleet Advisory & AcquisitionSelection, acquisition, valuation, maintenance programs and financing.
We need to prepare our special operations units.Special OperationsSeven modular training blocks across air, land and maritime operations.
We want a national training center.Centers of ExcellenceA privately funded center for training, operations and logistics support.
We need parts or AOG support.HMK MaterialsMilitary and commercial spares, AOG response and repair management.
When your force needs qualified personnel faster than it can train its own, HMK USA sources, qualifies and deploys experienced aviation professionals to operate, maintain and instruct on your aircraft.
Evidence: since 2019, USAF and USMC instructor-level C-130J crews for a GCC air force.
Instructor and line pilots · loadmasters · flight engineers · crew chiefs · evaluator pilots
Airframe & powerplant and avionics technicians · inspectors · quality assurance · maintenance control
Simulator and academic instructors · courseware developers · standardization and safety officers
Operate · augment-and-train · instruct · short-term surge or multi-year, non-FMS or alongside FMS
HMK USA LLC is a privately owned U.S. defense contractor licensed by the U.S. Department of State. We provide allied customers with aircraft lifecycle management, aircrew and maintenance training, and specialized manpower solutions.
Become the U.S. Department of Defense’s number one civilian partner for aircrew and maintenance training on all U.S. technology aircraft, and for special operations training on site with U.S. allied forces.
Establish two state-of-the-art, privately funded U.S. defense training centers: one in the Middle East and one in Latin America.
Training aircraft, helicopters and full-motion D-class simulators, so operational fleets stay on mission.
Aircrew, maintenance and operator readiness programs, from basic qualification to tactical employment.
Privately funded, non-FMS training that supplements Foreign Military Sales programs for allied operators.
Classroom instruction, full-motion simulation and live flight, built around each customer’s aircraft, missions, language and schedule.

Pilot and loadmaster programs with an emphasis on cargo management, aerial refueling and tactical operations, plus C-130H tactical and transition-to-J training.

Comprehensive aircrew and maintenance training for utility, assault and special operations aviation missions, including SOF infiltration and exfiltration.

Legacy-to-Block 70 transition, weapons systems training and tactical instruction, with multi-year instructor support. Fixed-wing support also covers F-5, BAE Hawk 129 and Firefly.

Foundational skills through advanced tactics and aviation integration, taught by former U.S. Special Operations Forces personnel. See the seven training blocks.
Train at your base or at an HMK center, using customer-owned aircraft or HMK-provided assets.
FAA/DoD D-class full-motion simulators replicate exact cockpit configurations for basic, transition, tactical and emergency-procedure training, 24/7/365.
Private flight operations for mission support, plus augment-and-train aircrew and maintenance teams.
The missions HMK USA crews train for: fixed- and rotary-wing air-to-air refueling, container delivery and personnel airdrop.





For forces introducing a new platform, expanding a fleet or recovering aircraft availability, HMK USA provides technical and commercial expertise, with financing through HMK CAPITAL.
Requirements definition, aircraft and engine selection, delivery acceptance and ferry.
New and pre-owned aircraft and engines, technical due diligence and maintenance-life valuation.
Long-term maintenance programs, repair management and return-to-service of grounded aircraft.

HMK is developing privately owned and operated Centers of Excellence for C-130J Super Hercules and UH-60M Black Hawk aircrew and maintenance training. Each pairs full-motion D-class simulators with dedicated training aircraft and helicopters.
Kingdom of Bahrain · MENAA standalone training hub, and the first integrated regional center for C-130J, UH-60M Black Hawk, F-16 Block 70 and Special Operations training. HMK funds, builds and operates the center, open to the Kingdom of Bahrain, GCC partners and U.S. allies worldwide. The center is designed to support the defense-cooperation objectives of the 2023 U.S.–Bahrain Comprehensive Security Integration and Prosperity Agreement (C-SIPA); it is not a formal designation or endorsement under that agreement.
Republic of Colombia · LATAMColombia operates more than 100 Black Hawks across some of the world’s most demanding terrain. The proposed center is designed around the Colombian Army’s long-term training plan, with U.S. and Colombian instructors training Colombian and international operators, all in country.
HMK invites air forces and defense ministries to partner in establishing a national or regional Center of Excellence, designed around the host nation’s fleet and readiness requirements and built to serve allied operators across the region.
Full-motion D-class simulators, training devices and dedicated training aircraft and helicopters.
Instructor and operator manpower, mission support flight operations and augment-and-train teams.
Authorized maintenance, spare-parts depots and repair cycle management through HMK Materials.
Private funding through HMK CAPITAL, with no upfront government investment and an ownership-transfer option.
Reduce training expense and operational risk.
Consistent, high-quality training 24/7/365.
Dedicated training aircraft preserve operational fleets.
High-skill host-nation employment and a global training hub.
Scalable, tailored training and advisory solutions for elite military, law enforcement and special mission units. Rooted in U.S. Special Operations Forces expertise, our modular programs cover the full spectrum of air, land and maritime operations, scalable from individual operators to brigade-level integration.
Train the best, to be the best.
Small unit tactics, close quarters battle, tactical marksmanship, urban reconnaissance, direct action and raids.
Basic and advanced courses, high-altitude and mountain sniping, aerial engagements and counter-sniper operations.
C-130H/J and UH-60M Black Hawk tactical insertion, military free-fall (HALO/HAHO), air resupply, fast rope and CAS coordination.

Combat diving, VBSS, riverine and small boat operations, amphibious assault planning and maritime reconnaissance.
Ranger operations, mountain, desert and jungle warfare, subterranean combat and mechanized integration.
TCCC, mass casualty response, air and ground MEDEVAC, prolonged field care and hostile environment medicine.
MDMP, joint operational planning, interagency and multinational coordination, wargaming and ISR integration.

Trainers and advisory teams deploy worldwide with a low-signature presence, integrating with host-nation forces.
Real-time advisory to units engaged in active operations, plus full-mission rehearsals.
Curriculum built around actual mission requirements, regional threats and operating environments.
Project experienceInstructor cadre: USAF and USMC pilots, former Green Berets and Navy SEALs, and NATO instructors.
A subsidiary of HMK USA, backed by HMK CAPITAL. HMK Materials is the logistics and parts partner to U.S.-allied militaries, airlines, defense partners and maintenance providers worldwide.

Whether you are facing a grounded aircraft or planning strategic inventory, HMK Materials keeps your fleet moving. Send a parts or AOG request → · Download the HMK Materials brochure →
Dr. Hooman Rezaei founded HMK USA, HMK CAPITAL and HMK Materials and leads the group as Chief Executive Officer. A U.S. citizen with more than 25 years in aerospace and defense, his career spans propulsion engineering, fleet sustainment, aircraft and engine transactions and, since 2019, the delivery of military aircrew training and operations for a GCC air force.
His Ph.D. in turbomachinery and eight years of propulsion and fleet-sustainment work at Pratt & Whitney give HMK USA’s training its technical depth; his university and executive teaching shaped how HMK builds curricula; and his finance degree and transaction career connect HMK USA’s programs to the funding HMK CAPITAL provides.
Dr. Hooman Rezaei
President & Chief Executive Officer
Since 2019, led delivery of C-130J and KC-130J aircrews and advanced pilot, loadmaster and flight engineer training to a GCC air force.
At Pratt & Whitney, led performance analysis for a U.S. Navy unmanned combat air vehicle engine and built engine health monitoring for some 300 V2500 engines.
Ran power-by-the-hour engine maintenance programs for Middle East and South Asian operators, including severe sand environments.
Adjunct professor at Manhattan College, Embry-Riddle executive instructor, and published researcher with ASME and ISABE.
Ph.D., Mechanical Engineering (Turbomachinery), Michigan State University · M.S., Management (Finance), Rensselaer Polytechnic Institute · Founder, International Aircraft Engine Association (2008), an independent professional association
An independent professional network of more than 17,000 aircraft engine and aerospace professionals, founded in 2008 by Dr. Hooman Rezaei. IAEA members are not HMK employees or contractors; HMK draws on relationships across the industry, including this community, to identify specialized talent.

Personnel, training, special operations and fleet advisory for allied forces.

The group’s financial arm: private financing for U.S. defense aircraft, simulators and training infrastructure.
Visit hmkcap.com →Company brochures in English, Spanish and Arabic, plus one-page fact sheets for each Center of Excellence program. Choose a language to download.

Aircrew, maintenance and special operations training, aviation workforce solutions and fleet support for U.S.-allied forces.

Elite training and advisory solutions across seven modular blocks for air, land and maritime operations.

AOG solutions, supply chain, component repair oversight and dismantling for military and commercial fleets.
One-page overviews of each training program. Available in English.





Brochures are provided after a short request form so our team can follow up with the right information.
Air forces, defense ministries and security agencies may contact HMK USA to request training, discuss the acquisition of aircraft, helicopters or simulators, or explore a Center of Excellence partnership. All inquiries are handled in confidence.
Send your message with the secure form. It goes directly to Dr. Rezaei’s office and is handled in confidence; we normally reply within two business days.