Footage shows British Royal Marines boarding ships with futuristic jet packs that let them fly over the water.⁣ ⁣ Marines can be seen using the equipment, which has an estimated value of £300,000, to take off from a rig fixed on to a small boat behind the HMS Tamar and flying onto its deck. ⁣ ⁣ The jet suit is still highly experimental, but according to its creator Gravity Industries, the vision "is to provide extremely rapid access to any part of the target vessel, instantly freeing up hands to