The number in the pylons column indicates the number of stores carried per pylon. It has fore and aft mounting provisions for underwing pylon or aft fuselage installation. The wing was mounted on a short pylon above the fuselage. In this way, each mast was erected on top of the corresponding concrete pylon. The pod was carried on the right wing glove pylon. A pair of obelisks usually stood in front of a pylon. The hoist frames were mounted on top of each pylon. Fuel tanks were often carried on the third non-swivelling pylon of each wing. The HIAPER Gulfstream V is modified to accept wing/pylon mounted instrumentation. Each monorail beam is divided into blocks based upon pylon numbering. Outside of this, he built a fourth pylon and another enclosure wall. Large crosses adorn the outside of each pylon. The structure surrounding the forward pylon mount also failed from the resulting stresses. The king also started work on the Tenth Pylon at the Temple of Amun there. Twelve fibre optic extensometers were installed in the base of pylon P2.