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<gallery> Image:Javelin__stem.jpg|Javelin sounding rocket nosecone with Canadian STEM deployable antenna is prepared for launch in 1961 Image:Stem_javelin_1961.jpg|De Havilland Storable Tubular Extendible Member being fitted to Javelin sounding rocket nosecone, Summer 1961. Image:STEM_Javelin.jpg|De Havilland engineer Andy Malozzi with STEM antenna ready for first flight aboard Javelin sounding rocket. Image:JavelinSTEM.jpg|First launched STEM antennae for Javelin sounding rocket 1961 Image:Stem_Alouette.jpg|Four Storable Tubular Extendible Members (STEM) inside the shell of satellite S-27 (Alouette 1) Image:STEM_diagram.jpg|Diagrams of De Havilland STEM antenna Image:STEM_A18.jpg|De Havilland STEM Antenna (A-18 model) Image:STEM_A21.jpg|De Havilland STEM Antenna (A-21 model) Image:STEM_A26.jpg|De Havilland STEM Antenna (A-26 model) Image:STEM_A32.jpg|De Havilland STEM Antenna (A-32 model) Image:STEM_A45.jpg|De Havilland STEM Antenna (A-45 model) Image:STEM_grappler.jpg|De Havilland concept art for STEM robot digging arm (c. 1963) Image:STEM_robot_arm.jpg|De Havilland concept art for STEM Robot Arm (c. 1963) Image:STEM_Parasitic_Array.jpg|De Havilland STEM Stacked End Fire Parasitic Array Antenna concept art (c. 1963) Image:STEM_5209F1-1.jpg|De Havilland STEM antenna 5209 as used on Gemini spacecraft </gallery> ==STEM Patents== *[[Media:Groskopfs_US003434674.pdf|Storable Tubular Extensible Member Device]] *[[Media:Fry_US003380204.pdf|Axially Projectable Stem Device]] *[[Media: Groskopfs_US003371453.pdf|Cassette Stem Device]] *[[Media: Taylor_US003243132.pdf |Extensible Retractable Stem Device]] *[[Media:Klein_US003144215.pdf|Coilable Extensible Apparatus (STEM)]] *[[Media:STEM_Boom_Havilland_AD659450.pdf|Boom Attachment System]]

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