Apollo Lunar Rover

Thirty-eight million dollars
Four lunar rovers were built, one each for Apollo missions 15, 16,17; and one used for spare parts after the cancellation of further Apollo missions. There were other LRV models built: a static model to assist with human factors design, an engineering model to design and integrate the subsystems, two one-sixth gravity models for testing the deployment mechanism, a one-gravity trainer to give the astronauts instruction in the operation of the rover and allow them to practice driving it, a mass model to test the effect of the rover on the Apollo Lunar Module (LM) structure, balance and handling, a vibration test unit to study the LRV's durability and handling of launch stresses, and a qualification test unit to study integration of all LRV subsystems.
Without it, the major scientific discoveries of Apollo 15, 16, and 17 would not have been possible; and our current understanding of lunar evolution would not have been possible.
The color television camera mounted on the front of the LRV could be remotely operated by Mission Control in two axes: pan and tilt. This allowed far better television coverage of the EVA than the earlier missions. On each mission, at the conclusion of the astronauts' stay on the surface, the commander drove the LRV to a position away from the Lunar Module so that the camera could record the ascent stage launch.
The Lunar Roving Vehicle had a weight of 463 lbs (210 kg)[6] and was designed to hold a payload of an additional 1,080 lbs (490 kg) on the lunar surface. The frame was 10 feet (3 m) long with a wheelbase of 7.5 feet (2.3 m). The height of the vehicle was 3.6 ft (1.1 m). The frame was made of aluminum alloy 2219 tubing welded assemblies and consisted of a three-part chassis which was hinged in the center so it could be folded up and hung in the Lunar Module quad 1 bay. It had two side-by-side foldable seats made of tubular aluminum with nylon webbing and aluminum floor panels. An armrest was mounted between the seats, and each seat had adjustable footrests and a Velcro seat belt. A large mesh dish antenna was mounted on a mast on the front center of the rover. The suspension consisted of a double horizontal wishbone with upper and lower torsion bars and a damper unit between the chassis and upper wishbone.

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[rnsone]

Lol! You can operate something remotely from earth to the moon in the early seventies but you couldn't do it in your living room with your television back then! SMH!

[runnermonkey]

Excellent