First strike and Surgical strike

First strike noun - The initial use of nuclear weapons to attack a country that also has nuclear weapons; considered feasible only when the attacker can destroy the other country's ability to retaliate.

Surgical strike and first strike are semantically related. in tactic in warfare topic. In some cases you can use "Surgical strike" instead a noun phrase "First strike".

Surgical strike noun - An attack (usually without prior warning) intended to deal only with a specific target.

First strike and surgical strike are semantically related. Sometimes you can replace phrase "First strike" with "Surgical strike", this phrases are similar.