What does NEMO stand for?

Naval Earth Map Observer - Geographic systems

Naval Experimental Manned Observatory

Navy EarthMap Explorer

Never Ever Mention Outside - Secret computer toy project of Axlon, Inc.

Nonempirical Molecular Orbitals - Atomic physics

North East Map Organization - A group (GIS)

Not Emanating from Main Office (SAUS)

Not Emanating Main Office - Remote broadcast (NTCM)

Nuclear Exchange Model