The US Navy has awarded a contract to Hamilton Sundstrand Corporation to provide services in support of the oxygen-generating systems and other systems in navy submarines.

Under the $7.4m contract, the company will provide support services for the oxygen-generating plant, gas management system and electrolytic chlorine generator installed on the navy’s SSN-21, SSN-774, SSN-688 and SSN-726 Class submarines.

In addition, Hamilton will also work on the central atmospheric monitoring system and integrated low pressure electrolyser on the submarines.

Work will be carried out at several locations across the US and is expected to be complete by December 2015.

The contract has been awarded by the US Naval Surface Warfare Center, Carderock Division, Ship System Engineering Station in Pennsylvania.