[DOC] [TLE] U-2 Spy Incident - Cold War - HISTORY.com [PAR] The U-2 spy plane incident raised tensions between the U.S. and the Soviets ... 
1950s 3min.   ... making reconnaissance flights over the USSR in 1956, giving 
the U.S. its first ... On May 1, that weapon locked onto a U-2 flown by 30-year-old 
CIA pilot ... Unlike previous U-2 missions, however, this one went terribly wrong. [DOC] [TLE] U-2 incident facts, information, pictures | Encyclopedia.com articles ... [PAR] Get information, facts, and pictures about U-2 incident at Encyclopedia.com. ... 
the late 1940s and early 1950s using various U.S. and British aircraft including 
the ... The U-2 is built much like a glider, with ultralight construction and long, 
narrow ... On May 1, 1960, a U-2 was shot down over Russia by a surface-to-air 
missile. [DOC] [TLE] History of the aircraft carrier - Wikipedia [PAR] Aircraft carriers are warships that evolved from balloon-carrying wooden vessels 
into ... World War II saw the first large-scale use of aircraft carriers and induced ... 
The USA built small escort carriers, such as USS Bogue, as a stop-gap .... to sink 
seven German destroyers, and sank the German submarine U-64 with bombs. [DOC] [TLE] History of submarines - Wikipedia [PAR] Beginning in ancient times, humans sought to operate under the water. From 
simple ... The first submersible to be actually built in modern times was 
constructed in 1605 ... Of one of these tests Constantijn Huygens reports in his 
autobiography of ..... commissioned into the Imperial German Navy in 1906 as its 
first U-boat, U-1. [DOC] [TLE] Flying boat - Wikipedia [PAR] A flying boat is a fixed-winged seaplane with a hull, allowing it to land on water, 
that usually has ... Flying boats were some of the largest aircraft of the first half of 
the 20th century .... In the USA Wanamaker's commission built on Glen Curtiss' 
previous .... by the Royal Navy for coastal patrols, and to search for German U-
boats. [DOC] [TLE] Short Brothers - Wikipedia [PAR] Short Brothers plc, usually referred to as Shorts or Short, is an aerospace 
company based in Belfast, Northern Ireland. Shorts was founded in 1908 in 
London, and was the first company in the world to make production aircraft. It was 
particularly notable for its flying boat designs manufactured into the 1950s. .... In 
1911 Shorts built one of the world's first successful twin-engine aircraft, the... [DOC] [TLE] aerospace engineering | Britannica.com [PAR] The design of a flight vehicle demands a knowledge of many engineering 
disciplines. ... No single design can optimize all of these sciences, but rather 
there exist ... Hugo Junkers, a German, built the first all-metal monoplane in 1910, 
but the ... powered the first supersonic research aircraft, the Bell X-1, flown by the 
U.S. Air... [DOC] [TLE] Cold War Revision [PAR] The USA and the USSR as World Superpowers, 1945-1963 ... The former Great 
Powers  Britain, France, Germany, Italy and Japan  were ... The people of the 
USSR had experienced foreign invasion in the First World ..... On 14th October 
1962, U2 spy planes confirmed that nuclear missile sites had been built in Cuba 
for... [DOC] [TLE] automotive industry | Britannica.com [PAR] By the beginning of the 20th century, German and French manufacturers had 
been joined by ... By 1910 most manufacturers of steam vehicles had turned to 
gasoline power. ... Although the first Oldsmobile was a popular car, it was too 
lightly built to ..... At the end of World War II the American automobile industry had 
intact... [DOC] [TLE] Lockheed Martin U-2 Dragon Lady - High-Altitude Reconnaissance ... [PAR] Apr 5, 2016 ... The Lockheed U-2 Dragonlady spyplane series is set to be replaced by ... The 
wide and sleek design of the U-2 provides the US military with a ... The initial 
system was airborne by 1955 with reconnaissance flights ... U-2A   First 
production model; Fitted with J57-P-37A powerplant. .... German Jet Aircraft. [DOC] [TLE] Boeing history chronology [PAR] Boeing history chronology. PRE-1910 1910. 1920. 1930.

Question: The U.S. U-2, first built in the 1950s, was an airplane; the German U-1, first built in the 1910s, was one of these
Answer: a submarine