(US, aviation, firefighting, acronym) Single engine air tanker.

(graph theory) An undirected graph with 2n vertices in the two sets { u₁, u₂, ..., uₙ } and { v₁, v₂, ..., vₙ } and with an edge from uᵢ to vⱼ whenever i ≠ j.

targeting prior to some other procedure

Abbreviation of World Food Program(me).