HMK USA
MC-130J Commando II refueling an MH-60 Black Hawk in flight
Gateway to advanced defense training & technologies

Aircrew, Training & Fleet Support for Allied Air Forces

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.

Supporting a GCC air forceSince 2019
U.S. State DepartmentLicensed exporter
U.S. State DepartmentRegistered broker
HeadquartersNewport Beach, CA
Global presence

Newport Beach to Bahrain: your gateway to U.S. defense technologies

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

Aviation Workforce Solutions

Qualified aircrew and maintainers, deployed

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.

Aircrew

Instructor and line pilots · loadmasters · flight engineers · crew chiefs · evaluator pilots

Maintenance

Airframe & powerplant and avionics technicians · inspectors · quality assurance · maintenance control

Training

Simulator and academic instructors · courseware developers · standardization and safety officers

Delivery models

Operate · augment-and-train · instruct · short-term surge or multi-year, non-FMS or alongside FMS

Who we are

Expanding allied access to U.S. defense training

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.

Mission

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.

Vision

Establish two state-of-the-art, privately funded U.S. defense training centers: one in the Middle East and one in Latin America.

Dedicated training assets

Training aircraft, helicopters and full-motion D-class simulators, so operational fleets stay on mission.

Full-spectrum training

Aircrew, maintenance and operator readiness programs, from basic qualification to tactical employment.

Alternative access model

Privately funded, non-FMS training that supplements Foreign Military Sales programs for allied operators.

Training programs

Platforms we train on

Classroom instruction, full-motion simulation and live flight, built around each customer’s aircraft, missions, language and schedule.

C-130J Super Hercules above the clouds
Fixed wing · Airlift & tanker

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
UH-60M Black Hawk deploying countermeasure flares
Rotary wing · Utility & assault

UH-60M Black Hawk

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

  • Pilot
  • Crew chief
  • Maintenance
  • Air assault
F-16 Block 70 on the flight line at sunset
Fixed wing · Fighter

F-16 Legacy to Block 70

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.

  • Transition
  • Weapons systems
  • Curriculum development
Special operators jumping from the ramp of a C-130 above the clouds
Air · Land · Maritime

Special Operations

Foundational skills through advanced tactics and aviation integration, taught by former U.S. Special Operations Forces personnel. See the seven training blocks.

  • SOF techniques
  • HALO / HAHO
  • VBSS
  • TCCC

Your location or ours

Train at your base or at an HMK center, using customer-owned aircraft or HMK-provided assets.

High-fidelity simulation

FAA/DoD D-class full-motion simulators replicate exact cockpit configurations for basic, transition, tactical and emergency-procedure training, 24/7/365.

Mission support operations

Private flight operations for mission support, plus augment-and-train aircrew and maintenance teams.

Mission capabilities

Aerial refueling & airdrop

The missions HMK USA crews train for: fixed- and rotary-wing air-to-air refueling, container delivery and personnel airdrop.

KC-130J tanker refueling two CH-53E helicopters
KC-130J aerial refuelingSimultaneous helicopter air-to-air refueling.
Loadmasters releasing a cargo bundle from a C-130 ramp over the sea
Container deliveryLoadmaster airdrop training.
Airmen in military free fall after exiting a C-130J
Military free fallHALO / HAHO personnel airdrop.
HC-130 tanker refueling an HH-60 helicopter over the ocean
Helicopter air refuelingExtending rotary-wing range for rescue and SOF missions.
C-130 tanker refueling two heavy-lift helicopters
Tanker operationsFixed-wing to rotary-wing refueling.
Fleet Advisory & Acquisition

Acquire the right assets. Keep them mission-ready.

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.

Selection & entry into service

Requirements definition, aircraft and engine selection, delivery acceptance and ferry.

Acquisition, leasing & valuation

New and pre-owned aircraft and engines, technical due diligence and maintenance-life valuation.

Sustainment & availability

Long-term maintenance programs, repair management and return-to-service of grounded aircraft.

Crew chief marshaling a C-130J Super Hercules for launch
Centers of Excellence

Privately funded. Built for allied operators.

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.

C-130J full-motion flight simulator in a training centerKingdom of Bahrain · MENA
In development

Bahrain Defense Training Center of Excellence

A 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.

4Platforms: C-130J, UH-60M Black Hawk, F-16 Block 70, Special Ops
In regionTraining close to home, reducing time crews spend away for training abroad
OpenTo the Kingdom of Bahrain, GCC partners and U.S. allies
Since 2019Supporting the RBAF C-130J squadron in Bahrain
UH-60 Black Hawk helicopter in flightRepublic of Colombia · LATAM
Proposed

Tolemaida Center of Excellence, Colombia

Colombia 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.

SimulatorsMilitary-configured UH-60M Black Hawk simulators
HelicoptersUH-60M Black Hawk helicopters dedicated to training
In countryU.S. and Colombian instructors training Colombian and international operators
TransferOwnership transferring to the Army at the end of the term
Partner with HMK

Establish a Center of Excellence in your 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.

Training

Full-motion D-class simulators, training devices and dedicated training aircraft and helicopters.

Operations

Instructor and operator manpower, mission support flight operations and augment-and-train teams.

Logistics support

Authorized maintenance, spare-parts depots and repair cycle management through HMK Materials.

Financing

Private funding through HMK CAPITAL, with no upfront government investment and an ownership-transfer option.

  1. AssessFleet, training pipeline, readiness goals and regional demand.
  2. AuthorizeCenter design and capacity; host-nation and U.S. Government approvals.
  3. FinancePrivate funding through HMK CAPITAL, with optional partner investment.
  4. Build & certifyConstruction, simulator installation and instructor deployment.
  5. Operate24/7/365 training, operations and logistics, with host-nation staff developed for leadership.
Lower cost

Reduce training expense and operational risk.

Higher readiness

Consistent, high-quality training 24/7/365.

Fleets stay on mission

Dedicated training aircraft preserve operational fleets.

Local jobs

High-skill host-nation employment and a global training hub.

Special forces combat divers emerging from the surf
HMK USA Special Operations Division

Special Operations

Honor★Discipline★Built Different

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.
BLOCK 1

SOF-Specific Techniques

Small unit tactics, close quarters battle, tactical marksmanship, urban reconnaissance, direct action and raids.

BLOCK 2

Sniper Training & Employment

Basic and advanced courses, high-altitude and mountain sniping, aerial engagements and counter-sniper operations.

BLOCK 3

Air Operations

C-130H/J and UH-60M Black Hawk tactical insertion, military free-fall (HALO/HAHO), air resupply, fast rope and CAS coordination.

Special tactics airman training beside a Black Hawk
BLOCK 4

Waterborne & Amphibious

Combat diving, VBSS, riverine and small boat operations, amphibious assault planning and maritime reconnaissance.

BLOCK 5

Infantry & Ground Maneuver

Ranger operations, mountain, desert and jungle warfare, subterranean combat and mechanized integration.

BLOCK 6

MEDEVAC & CASEVAC

TCCC, mass casualty response, air and ground MEDEVAC, prolonged field care and hostile environment medicine.

BLOCK 7

Planning & Operational Staff

MDMP, joint operational planning, interagency and multinational coordination, wargaming and ISR integration.

Special forces operator conducting reconnaissance
Global, low-visibility deployment

Trainers and advisory teams deploy worldwide with a low-signature presence, integrating with host-nation forces.

In-theater support

Real-time advisory to units engaged in active operations, plus full-mission rehearsals.

Tailored regional solutions

Curriculum built around actual mission requirements, regional threats and operating environments.

C-130J and UH-60M HMK USA partnership Evaluator Pilot medallionProject experience

Delivered in the field

2019–present · Company program

C-130J aircrew & training, Royal Bahraini Air Force

Requirement
Crews to operate newly acquired C-130J aircraft, then instructor-level crews to train the squadron.
HMK contribution
USAF and USMC instructor pilots, loadmasters and engineers under a State Department–approved agreement.
Outcome
Continuous operations and training; the air force’s first C-130J transatlantic flight and first airdrop demonstration.
Company program

C-130J delivery & ferry

Requirement
Accept and deliver aircraft from the manufacturer.
HMK contribution
HMK instructors accepted delivery from Lockheed Martin and ferried the aircraft to Bahrain.
Outcome
Aircraft delivered into service.
Leadership experience · prior to HMK

Fleet sustainment programs

Requirement
Long-term engine maintenance for Middle East and South Asian operators.
Contribution
Dr. Rezaei led long-term PW4000 power-by-the-hour engine maintenance programs.
Outcome
Multi-year fleet availability at predictable cost.

Instructor cadre: USAF and USMC pilots, former Green Berets and Navy SEALs, and NATO instructors.

HMK Materials

Reliable support. Smarter supply chains.

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.

C-130 tanker refueling allied fighters: Comprehensive Defense Logistics Support

AOG solutions

  • Hard-to-find, high-demand parts
  • OEM, PMA, rotables, consumables and expendables
  • Fast AOG support to reduce downtime

Supply chain solutions

  • Tailored procurement strategies
  • Consolidated vendor management
  • International shipping and logistics

Component repair oversight

  • End-to-end repair management
  • Warranty and core-return tracking
  • Full documentation and compliance

Dismantling & part-out

  • Expert dismantling with full traceability
  • Recovery, evaluation and resale of serviceable parts
  • Responsible disposal and recycling

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 with a C-130J model
Leadership

Why Dr. Rezaei leads HMK USA

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

View Dr. Rezaei’s LinkedIn profile
Military aircrew training & operations

Since 2019, led delivery of C-130J and KC-130J aircrews and advanced pilot, loadmaster and flight engineer training to a GCC air force.

Defense propulsion engineering

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.

Fleet sustainment

Ran power-by-the-hour engine maintenance programs for Middle East and South Asian operators, including severe sand environments.

Educator & technical authority

Adjunct professor at Manhattan College, Embry-Riddle executive instructor, and published researcher with ASME and ISABE.

Career
  1. 2019–presentCEO, HMK USA LLC & HMK CAPITAL LLC
  2. 2015–2018President & CEO, Oasis Aviation LLC
  3. 2013–2014Mature Aircraft & Engine Acquisition Director, GE Aviation
  4. 2009–2013Powerplant Technical Consultant, Oasis Aviation Consulting
  5. 2008–2009VP Sales & Business Development, GA Telesis
  6. 2001–2009Propulsion research to MRO business leadership, Pratt & Whitney

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

IAEA Network

International Aircraft Engine 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.

For aviation professionalsJoin IAEA on LinkedIn
For air forces and operatorsDiscuss a requirement with HMK
Downloads

Brochures & fact sheets

Company brochures in English, Spanish and Arabic, plus one-page fact sheets for each Center of Excellence program. Choose a language to download.

Cover of the HMK USA Overview brochure
Company overview

HMK USA Overview

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

Cover of the Special Operations Division Overview brochure
Special Operations Division

Special Operations Division Overview

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

Cover of the HMK Materials brochure
HMK Materials

HMK Materials

AOG solutions, supply chain, component repair oversight and dismantling for military and commercial fleets.

Center of Excellence fact sheets

One-page overviews of each training program. Available in English.

Cover of the Bahrain Defense Training Center of Excellence brochure
Center of Excellence

Bahrain Defense Training Center of Excellence

Cover of the C-130J Super Hercules Center of Excellence brochure
Fact sheet

C-130J Super Hercules Center of Excellence

Cover of the UH-60M Black Hawk Center of Excellence brochure
Fact sheet

UH-60M Black Hawk Center of Excellence

Cover of the F-16 Block 70 Center of Excellence brochure
Fact sheet

F-16 Block 70 Center of Excellence

Cover of the Special Operations Center of Excellence brochure
Fact sheet

Special Operations Center of Excellence

Brochures are provided after a short request form so our team can follow up with the right information.

Contact

Discuss your requirement

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.

Global headquarters (GHQ)Newport Beach, California, USA
MENA headquartersKingdom of Bahrain

Brochure request

Brochure

Your details are sent only to HMK and are used to follow up on your request. They are never shared or sold.