WW2 wreck giving up cargo

[Steven Christian]

Article says rubber, copper, tin, cobalt. Wonder what the cobalt was for..hardening steel...working on the bomb?

Cargo from Nazi ship sunk by America during WWII is washing up on Texas beaches

The shipment sat at the bottom of the ocean for nearly 80 years.

news.yahoo.com

 

[Jason D. Tiller]

Article says rubber, copper, tin, cobalt. Wonder what the cobalt was for..hardening steel...working on the bomb?

According to what I can find, cobalt was presumably used to manufacture military equipment which had been extracted by German immigrants.