28 June (Niger ) within release Underwater Drones (2023) goes into circulation Stamp Remotely Operated Underwater Vehicle CHASING M2 ROV face value 650 West African CFA franc
Stamp Remotely Operated Underwater Vehicle CHASING M2 ROV in catalogues | |
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Yvert et Tellier: | Yt: NE 9198 |
Stamp is square format.
Also in the issue Underwater Drones (2023):
Stamp Remotely Operated Underwater Vehicle CHASING M2 ROV it reflects the thematic directions:
A submarine (often shortened to sub) is a watercraft capable of independent operation underwater. (It differs from a submersible, which has more limited underwater capability.) The term "submarine" is also sometimes used historically or informally to refer to remotely operated vehicles and robots, or to medium-sized or smaller vessels (such as the midget submarine and the wet sub). Submarines are referred to as boats rather than ships regardless of their size