Abstract: A system and a method is provided for secure storage of consumers' credentials, financial accounts such as credit cards, debit cards, prepaid cards, checking accounts, savings accounts, proprietary gift cards, line of credit accounts, brokerage accounts, loyalty accounts, flexible spending accounts, health savings accounts, or the like, and storage of consumers' financial, legal or other important documents in an integrative vault providing payment processing access, protection, management, control and auditability over all of the consumers' payment instruments, other instruments, and important documents in a cloud based payment transaction processing environment.

Abstract: A two-spool air cycle machine includes a high pressure cooling turbine section; a low pressure cooling turbine section; and first and second shafts that are concentrically arranged and that are independently rotatable with respect to one another. A turbine wheel of the high pressure turbine section is secured to the first shaft, and a turbine wheel of the second turbine section is secured to the second shaft. Such an air cycle machine may be used a variety of different aircraft environmental control systems.