Past military conflicts in Kinmen, the one-time frontline in defense of the main land of Taiwan and Penghu Archipelago, leave the Island much evidence of it. Defensive facilities and after-war memorials scattered around the island virtually turned the small land into a battlefields space, silently speaking of the pivotal role in once played ; meanwhile they now serve as convincing monuments powerfully pleading world peacefulness.

The remote Kinmen Island was at a disadvantage in military conflict. Luckily, its uplift structure composed of a composition of granite and granite gneiss enables underground construction. Starting from 1956, military stations and posts were first laid out beneath the ground, marking the beginning of the establishment of subterranean world. Since then, military facilities were progressively moved below ground through out the entire period of the odd-dated bombarding. Canals were built in 1963in Jhaishan(翟山)and Jiougong(九宮) to facilitate sealift supply. Cingtianing Hall(擎天廳)was subsequently constructed in 1962,followed by the accomplishment of the Granite Hospital and the Reception Hall a tunnel hotel, in 1978.Local resident were busy in constructing air defense basement in or hear their houses. From 1976 on ward,a series of project were aimed to bring a majority of village facilities underground, such as those in Cyonglin and Jincheng.

From a battlefield of Nationalist-Communist conflicts to political arena during Cold War and an isolated military output, Kinmen has its significance in the modern history .As flames or war have faded with time, what was left behind, however ,are sites and traces of the past, uttering the shattered old times and momeries of historic events.

Shrapnel, 106mm
106 mm steel projectile grenades are used for fixed ammunition, in 106 mm recoilless guns, against heavy armored targets, serving as the infantry’s main anti-armor force. These shells weigh 16.90 kg and have a length of 998.5 mm.
Tank Shells, 90mm
These steel projectile bombs were used for fixed ammunition, in 90 mm tank guns to deal with heavily armored targets. The bombs weigh about 15 kg, at a length of about 914 mm.
Mortar Shells, 81mm
These shells were used for the 81 mm mortars, and can be divided into two kinds of high-explosive and illumination rounds, the artillery shells were fired from the front loading muzzle, when the guns firing pin hit reached the bottom, it would ignite the propellant powder chain, propelling artillery shells to the target area, destroying the target or provided lighting; the flares length was 571mm, at a weight of 4.86kg, with lighting provided for up to 60 seconds of time up to 50 million candle light intensity; there were two versions the M374A3 and the M43A1B1; the bomb’s length was 527.7mm or 338mm; shells weighed 4.31kg and 3.24kg; with a maximum range of 4800m and 3700m, respectively.
Mortar Shells, 4.2 inches
This bomb along with the M329 and M328A1 High Explosive grenade-style yellow phosphorus smoke bombs were used for widespread fire, a domestic Type 62 of 4.2-inch mortar was produced as an aggressive fire support weapon for infantry battalions.
Mortar Shells, 120mm
These harassment shells were used as mortars for 120 mm weapons, providing the main fire support for the infantry battalions. When warheads hit a target, yellow phosphorus contacting with air starts burning producing white smoke and sparks. Its total weight is 12.6 kg, with a length of 570.4 mm.
American M1A1 Anti-aircraft Gun, 90mm
This was the original air defense gun, but later with the introduction of new missiles, this artillery gradually moved to shoreline defense. The length of the gun is 50 times the barrel diameter, has a rate of fire of 22 rounds / minute, with a total weight of 19,000 pounds, and a maximum shooting height distance of 11,800 yards.