![Remote Sensing | Free Full-Text | Using Remote Sensing Techniques to Document and Identify the Largest Underwater Object of the Baltic Sea: Case Study of the Only German Aircraft Carrier, Graf Zeppelin Remote Sensing | Free Full-Text | Using Remote Sensing Techniques to Document and Identify the Largest Underwater Object of the Baltic Sea: Case Study of the Only German Aircraft Carrier, Graf Zeppelin](https://pub.mdpi-res.com/remotesensing/remotesensing-12-04076/article_deploy/html/images/remotesensing-12-04076-g021.png?1608041382)
Remote Sensing | Free Full-Text | Using Remote Sensing Techniques to Document and Identify the Largest Underwater Object of the Baltic Sea: Case Study of the Only German Aircraft Carrier, Graf Zeppelin
![Sonar scans show that 'UFO' at bottom of Baltic sea may actually be a secret Nazi super-weapon lost since World War II | Daily Mail Online Sonar scans show that 'UFO' at bottom of Baltic sea may actually be a secret Nazi super-weapon lost since World War II | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2012/07/12/article-2172503-1408086A000005DC-594_472x423.jpg)
Sonar scans show that 'UFO' at bottom of Baltic sea may actually be a secret Nazi super-weapon lost since World War II | Daily Mail Online
![Brian Roemmele on X: "Consider the ancient Baltic Sea discovery. The anomaly was discovered in 2011, a huge object in the Bothnia region of the Baltic Sea. The team, who discovered the Brian Roemmele on X: "Consider the ancient Baltic Sea discovery. The anomaly was discovered in 2011, a huge object in the Bothnia region of the Baltic Sea. The team, who discovered the](https://pbs.twimg.com/media/FDXm9qvVIAEhV2v.jpg:large)