observation airplane造句

• It received O-2 observation airplanes in 1926.
• The Vought O3U-1 biplane observation airplane was the first complete airplane tested in the tunnel.
• Assigned as a component of the de Havilland DH-4 observation airplane as its primary equipment from 1919 to 1928.
• While here ships were drawn, which consisted of eighteen Salmson 2A2s, supposedly the last word in French observation airplanes.
• Nevertheless, high-flying observation airplanes and ground-based telescopes are also used to obtain data especially for optical and near-infrared observations.
• During its first week in this sector, the squadron gave up its equipment of AR-2 airplanes and received 18 Salmson 2A2 two seater observation airplanes.
• The 9th Observation Group used the Airco DH . 4 for its observation airplane between 1922 and 1928, and the Curtiss O-1B Falcon from 1928 to 1935.
• This airplane proved most satisfactory in every respect; no observation airplane used upon the western front up to the conclusion of the armistice gave greater all-around satisfaction.
• Some of the best enemy flights operated along the sector and observation airplanes were repeatedly attacked, but in the majority of cases successfully defended themselves and accomplished their assigned missions.
• Both were extensively modernized between 1927 and 1929, receiving greater elevation for their new Mark 10 / 45 heavy guns, modern gunfire controls in new tripod masts, and two catapults for scouting and observation airplanes.
• The first highlight of this new weapon, whose contribution may have been decisive, took place on 3 September 1914, when squadron REP 15 observation airplanes, attached to the Joffre, who decides to take without further delay of this possibility.