21. Fleming Key is the site of the Cudjoe Key, that is home to the Cudjoe Key Tethered Aerostat Radar System 22. The crossing of the Andes on an aerostat filled with coal gas was finally accomplished on June 24, 1916. 23. Also an aerostat -mounted system, Simera is composed of 13 electro-optical cameras and weighs only 40lbs. 24. In 1892 he published his designs as " Aerostat Metallitscheski " ( the all-metal dirgible aerostat ). 25. In 1892 he published his designs as " Aerostat Metallitscheski " ( the all-metal dirgible aerostat ). 26. They say Aerostat can adequately cover the entire island and warn in advance of approaching planes or boats coming to Puerto Rico. 27. By that time, Newbery was already a seasoned aerostat pilot, having flown these balloons four times over the Argentine landscape. 28. The fort has a radar-equipped aerostat , one of a series maintained for the Drug Enforcement Administration by Harris Corporation. 29. The U . S . Army has developed a tethered aerostat to perform operational testing at Aberdeen Proving Ground beginning in 2015. 30. The Pentagon suspended trials of the system after the incident until the Army completed its investigation of how the aerostat broke free.