what was the acronym p.l.u.t.o in the 2nd world war?

PipeLine Under The Ocean

Planning Land Use and Transport Options

there are 2 other meanings but they arent related to the war...

Pipe Lines Under the Ocean

Purdue Libraries Undergraduate Tutorial Online

P - Pipe

L - Line

U - Under

T - The

O - Ocean

it means pipe line under the ocean

yes pipeline under the ocean

I believe it was PIPE LAID UNDER THE OCEAN. You can see a bit of it in Shanklin on the Isle of Wight.

I liked the Panjandrum better.