What does the phrase 'Per Mare, Per Terram' translate to?

The phrase 'Per Mare, Per Terram' translates to 'By Sea and Land.' This Latin motto is traditionally associated with the Royal Marines, reflecting their capability and readiness to conduct operations across both maritime and terrestrial environments. The emphasis on 'sea' and 'land' signifies the versatility and adaptability of the Royal Marines, as they are trained to engage in a variety of operations, whether they're launched from naval vessels or deployed to land-based missions. This dual capability is central to the Royal Marines' identity and operational effectiveness, highlighting their readiness to respond to diverse challenges in various terrains.

The other choices, while related to modes of transport or operational domains, do not accurately match the translation of the motto. Therefore, 'By Sea and Land' is the most appropriate and accurate translation.