The Martin NBS-1 was a military aircraft of the United States Army Air Service and its successor the Air Corps. An improved version of the Martin MB-1 a scout-bomber built during the final months of World War I the NBS-1 was ordered under the designation MB-2 and is often referred to as such. The designation NBS-1 standing for Night Bomber-Short Range was adopted by the Air Service after the first five of the Martin bombers were delivered.
Made by Glenn L. Martin Company.