Raytheon has secured a one-year contract modification worth $227.5m for sighting systems.
The contractor will continue to supply horizontal technology integration, second-generation forward-looking infrared and independent thermal sighting systems to the US Army, as part of the modification.
The deal also covers assemblies for the servo electronics unit.
The US Army has placed an order with Harris for multi-channel Falcon III Handheld, Manpack and Small Form-Fit (HMS) Manpack radios.
Harris will also supply vehicle installation kits, ancillaries, training, and field service representative support, as part of the contract.
The US Army Contracting Command has awarded a $500m ammunition supply contract to Alliant Techsystems Operations and three other companies.
The contractors, including Chemring Military Products, UDC USA, and Global Ordnance, will supply the US Armed Forces with non-standard ammunition and mortar weapon systems, as part of the five-year contract.
Rockwell Collins has agreed to provide ARINC knowledge-based support services to the US Army, as part of a $37.4bn C4ISR responsive strategic sources for services (RS3) contract.
Rockwell Collins will provide the US government agencies and organisations with aviation-based command and control products and engineering services, as part of the deal.
The US Army Contracting Command has awarded multiple contractors a $480m contract for support services.
The contract awardees will provide technical development and operational integration services to the US Army at multiple locations until August 2022.