Death Star
The Death Star is a type of fictional mobile space station and galactic superweapon featured in the "Star Wars" space opera franchise. The first Death Star is stated to be more than 100 km to 160 km in diameter, depending on source. It is crewed by an estimated 1.7 million military personnel and 400,000 droids. The second Death Star is significantly larger, between 160 km to 900 km in diameter depending on source, and technologically more powerful than its predecessor. Both versions of these moon-sized fortresses are designed for massive power-projection capabilities, capable of destroying multiple naval fleets or entire planets with one blast from their superlasers.
United States lightship LV-117
During the night of May 14, 1934 "Olympic", sister-ship to the lost "Titanic", was homing in on the lightship's radio beacon. Nearly 75 times larger than the 630-ton lightship, the White Star liner was steaming at about in the center of the western terminus of the trans-Atlantic shipping lanes. By 5.00 am on the morning of May 15, "Olympic" was in thick fog that necessitated the reduction of its speed to 16 knots, then .