21st Century
Since the turn of the millennium, the construction of stealth ships have occurred. These are ships which employs stealth technology construction techniques in an effort to ensure that it is harder to detect by one or more of radar, visual, sonar, and infrared methods. These techniques borrow from stealth aircraft technology, although some aspects such as wake reduction are unique to stealth ships' design.
Some of the major social changes of this period include women becoming admirals in defensive navies, being allowed to work on submarines, and being appointed captains of cruise ships.
Read more about this topic: Maritime History
Famous quotes containing the word century:
“But I would emphasize again that social and economic solutions, as such, will not avail to satisfy the aspirations of the people unless they conform with the traditions of our race, deeply grooved in their sentiments through a century and a half of struggle for ideals of life that are rooted in religion and fed from purely spiritual springs.”
—Herbert Hoover (1874–1964)