Abstract: This paper describes and analyses the serial hypersonic impulse facility building course of Calspan Corporation in USA.To meet the needs of different research,Calspan corpora-tion has built six shock tunnels and two expansion tunnels successively which include 1 1 ×1 5 inch shock tunnel,48 inch shock tunnel,96 inch shock tunnel,high enthalpy shock tunnel,LENS I shock tunnel,LENS II shock tunnel,LENS X expansion tunnel and LENS XX expansion tunnel. The dimension,simulation capability and testing technique all represent the tiptop level in the corresponding period.The analysis of LENS series impulse facility building course of Calspan Corporation would provide helpful information for building our national impulse facility and de-veloping test measurement tecnology.