The HAMR contractual requirements are to provide continued sustainment, production, tech refresh, and contractor logistics support (CLS) for the successful operation of the program. These requirements... The HAMR contractual requirements are to provide continued sustainment, production, tech refresh, and contractor logistics support (CLS) for the successful operation of the program. These requirements are inclusive of acquisition support to include repair services, engineering services, software maintenance, software upgrades and studies, logistics, information assurance, on-site support, and field support.