The Amphibious Combat Vehicle, which is replacing an aging troop transport, had early struggles that officials say they are ...

The testing was the first time Marines have taken the ACV on and off of a naval vessel through the well deck, assessing and verifying the vehicle's ability to integrate with naval shipping.

The vehicles carry infantry troops and their gear between ships waiting offshore and the beach, and are able to drive a couple hundred miles inland on one fueling. ACV crews first trained on land ...