Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
high-altitude balloon
|
| gptkbp:category |
balloon (aeronautics)
scientific ballooning |
| gptkbp:countryOfOrigin |
gptkb:United_States
|
| gptkbp:developedBy |
gptkb:United_States_Navy
|
| https://www.w3.org/2000/01/rdf-schema#label |
Skyhook balloon
|
| gptkbp:launchDate |
1947
|
| gptkbp:material |
gptkb:plastic
|
| gptkbp:notableMission |
unmanned flights to 30 km altitude
first manned balloon flight to stratosphere after WWII |
| gptkbp:operatedBy |
gptkb:Office_of_Naval_Research
gptkb:General_Mills |
| gptkbp:relatedTo |
gptkb:Project_Mogul
gptkb:Project_Strato-Lab |
| gptkbp:usedFor |
cosmic ray studies
scientific research |
| gptkbp:bfsParent |
gptkb:Mantell_UFO_incident
|
| gptkbp:bfsLayer |
6
|