Global Aerospace Corporation (GAC) has experience in the design of deep underwater systemsoperating at depths of down to 6,000 meters. GAC has specific experience in the integration,deployment, and operation of payloads from deep ocean depths. GAC is introducing new approaches todeploy unmanned systems that can provide non-lethal effects or situational awareness over largemaritime areas. We have the experience to create underwater systems that can survive for many yearsunder extreme pressures, operate reliably, operate through the water column, and deploy operationalsystems. Our systems engineering experience is in deep ocean apparatus design, deployment, andmission execution, as well as in pressure tolerant encapsulation systems and communications. We candefine and carry out system-level requirements, create conceptual designs, perform underwater testing,develop mission and concept of operations, develop payloads, and perform prototype testing. GAC hascarried out independent research and development activities related to the development of, and use of,underwater diver breathing systems including a submersible aircraft project that could be used bySpecial Operation Forces (SOF) during submerged transit to shore insertion points. GAC personnel haveextensive experience in the understanding of the physics and the design of systems that operate inhostile, extreme environments. In particular, the senior engineering staff members have expertise instructural and stability analysis, in the design of life support and buoyancy control systems for mannedsubmersibles, and in the design of critical subsystems including surface propulsion, submergedpropulsion, ballast, energy storage, life support, and controls integration.

Upward Falling Payload (UFP)

Global Aerospace Corporation (GAC) is a UFP performer involved in the development of two ofthe key UFP subsystems: the payload and the riser. In GAC’s mission scenario, UFP nodes aredeployed years before needed as part of a large, capable UFP network in some distant sea. Eachnode contains underwater communications hardware, a riser, and a small UAV that can be cuedto a desired location. GAC and its R&D partners are developing the Mission Node. The objectiveof the currently ongoing Phase 2 is to demonstrate a UFP node capable of launching a workingpayload from a depth of more than 6 km and that meets the UFP metrics.

By exploiting environmental conditions and basic physics, it is anticipated that the riser and theUAV will enable powerful effects with a large influence range at low cost and risk. The technicaltasks include mission, effects and concept of operations (ConOps) development; riserdevelopment; UAV development; and prototype testing. In the mission, effects and ConOpsdevelopment task, GAC carried out high-fidelity UAV flight path simulations and detailedmission effects development. For the riser task, GAC carried out the preliminary design andconducted component tests in the lab, test facilities, and at sea and has performed the detaileddesign and fabricated and assembled the system.

Reprinted from SIGNAL Magazine, January 2016 with permission of Signal Magazine. Copyright 2016. All rights reserved. SIGNAL Online

GAC conducted the preliminary design of a submersible aircraft for special operation forces’ insertionand extraction. GAC addressed the technical challenges for combined fast amphibious, submersible, andair vehicles capable of transporting four SOF operators with their equipment. The traditional method forinsertion and extraction of operators on contested shores involves the use of submarines equipped withspecial mini-sub dry docks mounted on their backs. During the few hours of transit from the large sub tothe insertion point in the mini-sub, the operators are exposed to the environment, which can leaveoperators cold and exhausted at the start of the mission. Instead, our approach protects the SOFoperators in a dry cabin all the way to the insertion point. The system design tolerates submersion andunderwater operation, minimizes the needed ballast mass, and key elements like instruments, flightcontrols, fuel system, and engines are designed to withstand the subsea environment and still operatesuccessfully afterwards.

Artist’s concept of GAC’s submersible aircraft


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