Liberty Hall Capital, a private equity firm focused exclusively on investments in businesses serving the global aerospace and defense industry, completed the acquisition of Onboard Systems, the global provider of external cargo handling equipment for civil and military helicopters. Financial terms were not disclosed. "With a 40-year history, Onboard Systems has been recognized as the top provider of helicopter external cargo equipment worldwide through its continuous development and introduction of new, high performing, proprietary products. We are excited to partner with the management team of Onboard Systems to provide the company with resources to continue its track record of innovation across its market segment," Rowan Taylor, Liberty Hall's Founding and Managing Partner.