From Okie Campaigns:
H/T: Terry
Sunday, November 28, 2010
South Korea doubles number of K-9 howitzers on Yeonpyeong Island
A concrete structure in the K-9 Marine artillery base on Yeonpyeong Island bears marks from North Korea's attack
on Tuesday.
South Korea's military has doubled the number of its K-9 (Thunder) 155-mm self-propelled howitzers on this border island shaken by North Korea's deadly artillery attack last week, sources said Monday.
North Korea's artillery attack on Yeonpyeong Island has raised concerns that the South does not have the firepower needed to effectively defend its five islands off the west coast against the North's attacks.
Military officers are criticizing top brass of failing to bolster defensive capabilities in the West Sea even though the area has become a powder keg with repeated North Korean provocations around the Northern Limit Line.
Defense Minister Kim Tae-young told the National Assembly's Defense Committee on Wednesday troops and armaments on Yeonpyeong and Baeknyeong islands "were deployed to respond to the threat of an amphibious landing by North Korean forces. Now an artillery battle has become the new threat, so we're reassessing the need to strengthen defenses."
The minister practically admitted that the military failed to respond to a new type of North Korean threat in the West Sea. Kim pledged to boost the number of K-9 self-propelled howitzers on the island from six to 12 and replace existing 105 mm towed howitzers with 155 mm self-propelled howitzers, which have a longer range and are capable of counterattacks against North Korean artillery positions.
"When it comes to defending the West Sea, it's true that the focus of our defensive posture was on thwarting a North Korean naval clash or preventing infiltration," a military source said. "I don't think we fully anticipated an artillery attack."
North Korea has threatened to respond "mercilessly" to South Korean-U.S. military exercise that began Sunday.
In time with the start of the joint exercise, the North Korean military fired about 30 artillery shells from the Kaemori region north of Yeonpyeong Island into the West Sea as part of a military drill of its own. It also moved some of its 122 mm multiple rocket launchers and opened more camouflaged artillery gates to coastal positions.
The North moved SA-2 surface-to-air missiles with a range of about 30 km to the coast and placed surface-to-ship missiles with ranges between 83 and 100 km on launch pads on the western coast. Mig-23 fighters are on standby at Hwangju Air Base.
The North Korea Eighth Navy Combat Fleet in the West Sea and South Hwanghae Province are in a virtual state of war.
South Korea Lawmakers grilled the minister over the relatively weak fighting power of troops in an area as strategically important as the West Sea.
North Korea's Fourth Army Corps, which is entrusted with guarding the West Sea, is headed by General Kim Kyok-sik, who commands tens of thousands of troops.
In contrast, South Korea has only around 5,000 marines on Baeknyeong and Yeonpyeong islands. It is unclear whether South Korean troops could successfully defend the five West Sea islands if North Korea were to stage a massive attack.
In fact the military has been implementing reforms that weaken defense capabilities in the five West Sea islands. Since the Roh Moo-hyun administration, efforts were made to cut the Marine presence in the West Sea and 3,200 marines stationed in the area were to be moved elsewhere while the 6th brigade was to be shrunk down to a regiment.
"To my knowledge, discussions are under way to scrap the Marine troop cut plan. Now that the situation has become more tense, troop levels in the West Sea would need to be increased," said a Marine officer.
The North has deployed around 1,000 artillery pieces capable of firing 130 mm and 170 mm shells on major islands and coastal positions on the West Sea.
In contrast, the only South Korean weapons in the West Sea capable of directly hitting North Korea are K-9 self-propelled howitzers with a range of 40 km, and 155 mm towed howitzers with a range of less than 20 km. There was only six K-9 self-propelled howitzers each on Yeonpyeong and Baeknyeong islands, and 10 155 mm towed howitzers are stationed only on Baeknyeong Island.
The K9 Thunder self-propelled howitzer was developed as a replacement for the M109A2K, also known as the K55, self-propelled howitzers.
In the late 1980s Republic of Korea Army drew up it's requirements for a new indigenous 155-mm tracked howitzer to meet the requirements of 21st century. Key operational requirements included a higher rate of fire, longer range, better accuracy and faster into and out of action times.
Development of the K9 Thunder began in 1989. First prototypes were completed in 1994 and it entered service in 1999. Some sources claim that over 300 of these howitzers are already in service with the Republic of Korea Army and 200 more are ordered.
The main armament of the K9 Thunder consists of 155-mm / L52 howitzer, fitted with automatic shell handling and ramming system. It is compatible with standard NATO 155-mm ammunition. Maximum range of fire is 30 km with standard HE projectile and 40 km with rocket-assisted projectile.
The K9 Thunder has a maximum rate of fire of 6 rounds per minute and is capable of multiple-round simultaneous-impact firing. It is able to fire three rounds in 15 seconds, each in different trajectories, so that all of the shells arrive on target at the same time. Sustained rate of fire is 2 rounds per minute.
The K9 Thunder is fitted with automatic fire control system with internal navigation system and automatic gun laying systems. It takes 30 seconds to prepare to fire at emplacement and 60 seconds from movement. Vehicle can shortly leave position to avoid counter-battery fire.
The K9 has all-welded steel hull and turret with a maximum thickness of 19 mm. It provides protection from small arms and artillery shell fragments. Vehicle is also fitted with NBC protection system.
This self-propelled howitzer has a crew of five, consisting of commander, gunner, assistant gunner, loader and driver.
Vehicle is powered by German MTU MT 881 Ka-500 diesel engine, developing 1 000 horsepower. Transmission of the K9 Thunder is a further development of that installed on the M1 Abrams main battle tank. The K9 is fitted with a hydropneumatic suspension.
The K9 Thunder is resupplied form the K10 ammunition resupply vehicle. It is based on the K9 chassis. The reloading process is fully automated and can be performed without exposing the crew under enemy fire or in the contaminated areas.
Variants:
K10 ammunition resupply vehicle
T-155 Firtina, Turkish self-propelled howitzer with subsystems of the K9 Thunder
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