R-4 HoverflySikorsky R 4 helicopter model. Developed by Igor Sikorsky from his famous VS 300 experimental helicopter, the R 4 became the world's first production helicopter, and the U. S. Army Air Force's first service helicopter. The prototype XR 4 made its initial flight on Jan. 13, 1942, and as a result of its successful flight tests, the USAAF ordered three YR 4As and 27 YR 4Bs for service testing and flight training. Of these, one went to Burma and one to

Minot AFB B-52H airplane model

first flown in February 1934

was deployed in some numbers on the Eastern Front

production jet to have an afterburner

Huntington Hills in just 33 days

This homebuilt

Length: 23 inches

773 had been allotted to the Soviet Union

although at least one earns its keep in Hollywood as an aerial camera platform

the Demon was originally designed to use the Westinghouse J40 engine but had to be redesigned to accept the Allison J71

Models ships as shown without propellers (no parts to break

At the peak of deployment in the late 1950's