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平成25年度陸上自衛隊富士総合火力演習(第2学校予行)前段演習・遠距離火力の部において実施された99式自走155mm榴弾砲(防衛省略称“99HSP”、広報向け愛称“ロングノーズ”)実弾射撃の様子です。旧来の75式に比較し、99式は砲身長が30口径から52口径に延長され、通常弾の最大射程は約30kmと75式の1.5倍以上を誇ります。また、ベースブリード弾(弾底から少量の燃焼ガスを噴出して飛翔中の空気抵抗を低減し、砲弾の射程を延伸する方式)である“93式長射程榴弾”使用時の最大射程は、約40kmに及びます。
The Type 99 155 mm self-propelled howitzer is a self-propelled howitzer of the Japanese Ground Self-Defense Force, which was developed as successor of the Type 75 155 mm Self-propelled howitzer. Research and development was started from 1985 as a successor for the older Type 75 self-propelled 155 mm howitzer. Mitsubishi Heavy Industries, Ltd. was the primary contractor, and developed the main gun and the turret.
The Type 99 uses a modified chassis from the Mitsubishi Type 89 IFV, lengthened with an additional road wheel. The Type 99 uses a 52 caliber barrel compared to the 39 caliber barrel on the Type 75 self-propelled howitzer. Secondary armament of the Type 99 consists of a roof-mounted 12.7-mm machine gun, fitted with a shield.
Armor of the Type 99 provides protection against small arms fire and artillery shell splinters. Vehicle is powered by a diesel engine, developing 600 horsepower. A traveling lock is provided at the front of the hull. It folds back onto the glacis plate when not in use. The Type 99 self-propelled howitzer is resupplied from the Type 99 ammunition resupply vehicle.
【撮影日時】 平成25年8月22日(木曜日)
【撮影場所】 静岡県御殿場市東富士演習場(畑岡地区)
【撮影機材】 Canon iVIS HF G20
【音響機材】 Canon DM-100 指向性ガンマイク(集音範囲設定90°)
日本警察特殊部隊愛好会(JP-SWAT)公式サイト ( jp-swat.com/ )