Modified by On Mark Engineering, the B-26K had a rebuilt fuselage and tail, strengthened wings, improved engines, reversible propellers, wing-tip fuel tanks and other refinements. Redesignated A-26As, Counter Invaders remained in Southeast Asia until 1969 and retired from USAF service.

The Douglas A-26 Invader (designated B-26 between 1948 and 1965) is an American twin-engined light bomber and ground attack aircraft. Built by Douglas Aircraft Company during World War II, the Invader also saw service during several major Cold War conflicts.

道格拉斯a-26“入侵者”攻击机（1948-1965年间又称b-26）是一架美国双引擎轻型轰炸机以及对地攻击机。 A-26由 道格拉斯飞行器公司 在 二战 期间制造，同时也参与了 冷战 时期的军事冲突。

b-26轟炸機是第二次世界大戰期間格倫·l·馬丁公司為美國陸軍航空隊研發的雙發中型轟炸機，官方綽號「掠奪者」。 由於高翼載帶來的高起降速度以及人員缺乏經驗，b-26在服役初期事故率居高不下，為其招來 「寡婦製造者」的惡名。

The B-26Ks differed from the YB-26K primarily in having 2500hp R-2800-52W engines in place of the R-2800-103Ws. The propeller spinners were omitted and the six wing guns were deleted. The B-26K could carry 4000 pounds of bombs internally, plus up …

2021年3月30日 · Developed during World War II era, the Douglas A-26 Invader would see action in the Vietnam War nearly twenty years later. This twin-engine attack aircraft was in essence an upgraded version of...

A single "YB-26K-OM Counter Invader" prototype was delivered by On Mark in 1962, this machine featuring the eight-gun solid nose, the turrets being removed; a new wing with wingtip tanks, three M2 machine guns in each wing, and four stores pylons under each wing; modernized avionics; and R-2800-103W engines, with water-methanol injection ...

B-26轰炸机（英文：B-26Marauder），是20世纪40年代初期美国马丁公司研制的一种中型螺旋桨发动机轰炸机。B-26轰炸机是第二次世界大战中美国最受争议的机型之一。由于翼载偏高，着陆速度过大而不断引发训练事故，为此该机在服役中曾面临4次停产的局面。

The B-26K/A-26B Anti-Invader is a major modification of the fuselage of the World War II-era Douglas A-26 Intruder twin-engine fighter.

The B-26K is a modified and remanufactured A-26B originally built during World War II. Aging Douglas B-26Bs were rebuilt by On Mark Engineering of California during 1964 and 1965 for use in the Vietnam War. Due to political considerations the aircraft were called A-26A during their deployment to Thailand with the 609 th Special Operations Squadron.