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Here is an inside look at a U.S, Navy submarine, where deployments underwater usually run 90-days. There are three major types of submarines in the United States Navy: ballistic missile submarines, attack submarines and cruise missile submarines. All combatant submarines are nuclear-powered. Ballistic subs have a single, strategic mission: carrying nuclear submarine-launched ballistic missiles. Attack submarines have several tactical missions, including sinking ships and subs, launching cruise missiles, and gathering intelligence. Continue reading for a video and more information.

With large airlines, it's always about the money, and these are some things that their pilots aren't supposed to tell passengers. In commercial aviation, the first officer is the second pilot of an aircraft. The first officer is second-in-command of the aircraft, to the captain who is the legal commander. In the event of incapacitation of the captain, the first officer will assume command of the aircraft. In the rank of senior first officer the pilot will also sit in the right hand seat. Often the senior first officer position is used within airlines to mean someone who has passed all the requirements for captain, but there are no captains positions within the company as yet, and therefore they are "on hold" until a position as captain becomes available when they will receive their command line check. Continue reading for more.

Ok, so the HUVr Board might not be real, but this viral video most certainly wants you to think it is. They claim that this Back to the Future-style hoverboard will be released in December 2014, but more than likely, it's promoting either a video game, movie, or gadget. Continue reading to see the star-studded video.

Not just any all-terrain vehicle, the monstrous Mercedes-Benz Zetros is an all-wheel drive vehicle designed to let the rich survive the zombie apocalypse in pure luxury. It's powered by a 7.2L in-line six-cylinder engine that generates 326hp, and comes complete with a marble floor bathroom as well as underfloor heating. That's not all, you'll also find plenty of sleeping space, two flat panel TVs, satellite cable, a Bose audio system, an on-board water system for drinking water, and a special ATV compartment. Continue reading for a video and more information.

The Boeing 2707 was basically developed to become the first American supersonic transport (SST). Boeing won a competition for a government-funded contract to build an American SST and came up with a design that resembled a very large aircraft with seating for 250 to 300 passengers and cruise speeds in the range of Mach 3. Continue reading for five videos and more information.

According to a declassified document, this saucer was supposed to reach a top speed of between Mach 3 and Mach 4, with a ceiling of over 100,000 ft. and a maximum range with allowances of about 1,000 nautical miles. A completed build would be capable of spinning through Earth's stratosphere at an average top speed of about 2,600 miles per hour. Continue reading for a video and more information.

A total of 20 aircraft were built in France and the United Kingdom; six of these were prototypes and development aircraft. Seven each were delivered to Air France and British Airways. Concorde's name reflects the development agreement between the United Kingdom and France. Continue reading for more.

At first glance, this appears to be a luxury 6-star resort suite in an exotic place, such as Las Vegas or the Maldives, but it's just "Lovers Deep", an ultra luxurious submarine currently offered by Oliver's Travels for couples to go on a romantic getaway. Whether it be a personal butler, VIP Concierge service or even an aphrodisiac tasting menu and free champagne on arrival, you'll experience it aboard this vessel. One caveat: it will set you back a hefty $280,000 (couples price) for one night. If you're making $50,000 per day that doesn't sound so unreasonable, does it? Continue reading for more pictures and information.

Nicolas Mee & Co, an Aston Martin Heritage Dealer from West London has unveiled the world's smallest functional Aston Martin: the DB Junior. It's inspired by the legendary Aston Martin DB models of the 1960s and boasts composite coachwork sitting on a sturdy steel box-section chassis, leather or vinyl seats, a wood-rimmed steering wheel and hydraulic disc brakes. Continue reading for a video and more information.

How about a bicycle that folds up into a suitcase when not in use? Introducing the Briefcase Bike. This nifty gadget looks like any other briefcase when folded up, but when completely set up, it's a compact bike that can be ridden around campus, or a large office. Continue reading for more cool and creative bike gadgets / accessories for geeks.