Liverpool marine firm International Safety Products (ISP) is announcing major defense sector growth after securing a deal with the Pakistan Navy. The Bootle business has signed a contract to supply the Asian security force with more than 180 assault troop lifejackets. The specialized life preservers have a low profile and compact design for use in amphibious operations. ISP managing director John Rogers said the firm is witnessing rapid expansion in the defense sector. It follows other recent deals with U.K. Ministry of Defense (MoD) and the Royal Netherlands Navy.