What type of engine is used in the MH-60S?

The MH-60S helicopter is powered by the T700-GE-401C engine, which is a turboshaft engine specifically designed to provide the necessary power for the aircraft's operations. This engine variant is known for its efficiency and reliability under various environmental conditions and operational demands, making it suitable for the versatile roles undertaken by the MH-60S.

The T700-GE-401C engine features advanced technology that improves performance in terms of thrust output, fuel consumption, and overall operational capabilities. This makes it an ideal choice for a multi-role naval helicopter like the MH-60S, which is used extensively for missions such as search and rescue, anti-surface warfare, and logistics support.

In contrast, the other options represent different variants of the T700 engine family that may be utilized in other aircraft but do not specifically align with the engine variant installed in the MH-60S. Each of these variants, such as the 401A and 401B, has distinct features and performance specifications that cater to different helicopter models or mission profiles. Therefore, selecting the T700-GE-401C reflects a solid understanding of the specific configuration and performance attributes required for the MH-60S helicopter.