A CPP type magnetic sensing element capable of properly performing magnetization control of a free magnetic layer and having small hysteresis and an excellent playback characteristic, as well as a manufacturing method therefor, are provided. The system is configured and operated using software to provide passenger entertainment services including audio and video on-demand, information dissemination, product and service order processing, video teleconferencing and data communication services. 5\xb0, a liquid crystal layer, having a thickness d and made of liquid crystal molecule material which has a twist structure at a twist angle of 160\xb0 to 240\xb0 in a voltage application state, the liquid crystal layer containing chiral material having a pitch of p, where dp is 0. In the illustrative embodiment, the release system includes a sled release mechanism, which releasably secures the sled to the munitions canister, and a munitions release mechanism, which releasably secures a munition to the sled. The removable tool tray is constructed and arranged to be removably carried by the base container and the tool tray is configured to store articles or tools therein.