Heavy Metal

On this day in 1991, four generations of American aircraft carriers from Battle Force Zulu steamed in formation following Operation Desert Storm.

USS Midway (CV-41) – Midway-class (commissioned 1945)

USS Ranger (CV-61) – Forrestal-class

USS America (CV-66) – Kitty Hawk-class

USS Theodore Roosevelt (CVN-71) – Nimitz-class

A rare sight...four eras of naval aviation history sailing together at the close of one conflict and on the edge of a new decade.

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Havnt been there in severalyears but i do remember these moorings. didnt realize they were original constructions, so 80 years in the water.

you can read the story, but basically governmentt worried they were disntegrating as the boat ages. (the plaforns were on the deck itself so they were worried they might pierce the deck of the aging ship). they were installed in 1942. Pearl Harbor is mostly saltwater and these platforms were mostly unerwater all that time.

https://www.war.gov/News/News-Stori...sfully-removes-uss-arizona-platform-concrete/

Navy divers remove significant portions of WWII platforms from USS Arizona | Maui Now

https://www.navy.mil/Press-Office/N...ins-removal-of-uss-arizona-mooring-platforms/

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After WW2 Brazil found itself with a large stock of surplus M3 Stuart light tanks, which by the late 1960s and early 1970s were thoroughly outdated. Instead of purchasing costly foreign replacements, the Brazilian Army launched an ambitious modernization program that relied on domestic industry.

The effort was led by Bernardini S.A. Indústria e Comércio in partnership with the Army’s Instituto de Pesquisas e Desenvolvimento (IPD). The X1A emerged as an improved successor to the earlier X1 prototype, incorporating lessons from testing to create a more mobile, better-protected, and more combat-effective vehicle while extending the usefulness of the aging Stuart platform.

M3 Stuart - Wikipedia

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spacenews.com/nasa-loses-contact-with-maven-mars-orbiter/

Little known but a lotta science could be lost if they dont fix this. The follow is a little nerdy.

NASA has lost contact with a Mars orbiter that has circled the planet for more than a decade, collecting science data and serving as a key communications relay.

In a statement late Dec. 9, NASA said it lost contact with the Mars Atmosphere and Volatile Evolution, or MAVEN, spacecraft three days earlier. Telemetry showed the spacecraft was working normally before passing behind Mars as seen from Earth, but the spacecraft did not resume communications after emerging from behind the planet.

i feel two ways about this.

one big reason we did this MAVEN mission was to try to find out the heck happened to Mars atmopsphere(80-90 % of it is gone over billions of years0). why? theory is one day a long time ago, Mars looked like Earth in thaat regard and my have had primitive life. In the Goldilocks Zone, it had liquid water (lakes, rivers, oceans) on the surface, and in theory it could support life like us. Why? one day we (humans) might have to live there when/if we screw-up this planet. It still in the Goldilocks Zone, but nearly all of its air has been gone for billions of years.

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OTOH, we spent $500 million and $20 some milllion a year to operate it (stilll like a tenth of a manned mission for only ten people let alone thousands in a colony).A decade later yhere are some good theories about loss of its magnetic fied

Hope they fix this and keep the science going (where did the atmosphere go?). I am stilll twisted up mentally as to (1 is this the best use of our time and $$?, AND(2 let's agree whether we are f***ing up this planet to the extent one day we'll have to leave it. go where? billions of people? trillions of $$?

Scientifically, I just dont see us moving to Mars. A great story but compelling enoung to give Musk or Bezos,or whoever, a few trillion $ and/or multiples of that to, say, terraform Mars?

I think not. Better story is figure out where all Mars air went, and if it can it happen here. hope the space kids can keep working on that. Any more ranting, ill go to the FCBO politics forum.:)
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