hit-and-run pack
n.— «The survival gear hangs above the raft and contains two survival packs—one so-called “hit-and-run” pack when evading the enemy is an urgent problem, and the standard pack which has more extensive equipment.» —“The Screaming Eagle and the Doc” by Brent Blue XMATC.com Apr. 16, 2005. (source: Double-Tongued Dictionary)