1. Phase 1A has seen the selection of the towed gun replacement; the US Pegasus alternative. 2. A towed gun fires from the ground and any inherent protection is limited to a gun shield. 3. A few towed guns have been given limited self-propulsion by means of an auxiliary engine. 4. A towed gun was much cheaper than a tank and could be concealed in a shallow position. 5. The RAA applies the latest technologies to maximise the effectiveness of the extant fleet of towed guns . 6. Since the early 1960s it has been possible to carry lighter towed guns and most mortars by helicopter. 7. Enemies included towed guns , BMP-1, infantry, Gazelle, MIG's and more. 8. When so attached, defending tank destroyer units supplemented organic antitank weapons ( bazookas and 57mm towed guns ). 9. It is based on Norinco's Type 89 ( PLL01 ) 155mm / 45-calibre towed gun -howitzer. 10. The fort was part of the 155 mm towed guns on " Panama mounts ", which were circular concrete platforms.