1. 
   H2S
   British airborne radar used for identifying and locating ground targets
   Found op http://www.secondworldwar.co.uk/glossh.html
   
   
2. 
   H2S
   A self-contained blind bombing system carried entirely in the aircraft. The system developed from AI but required a downward and spiral rotating scanner. The system became fully operational in January 1943. The phrase 'Home Sweet Home' could have a number of meanings but is generally thought to refe...
   Found op http://histru.bournemouth.ac.uk/Oral_History/Talking_About_Technology/radar
   
   
3. 
   H2S
   hydrogen sulfide;
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
4. 
   H2S
   (from the article `air warfare`) ...the RAF used two radar-beam systems called Gee and Oboe to guide its Lancaster and Halifax bombers to cities on the Continent. In addition, the ... ...electronic navigation aids. During the Battle of Britain, the Germans used electronic beams to guide bombers to t...
   Found op http://www.britannica.com/eb/a-z/h/1
   
   
5. 
   H2S
   Hydrogen Sulfide Molar mass: 34.08088
   Found op http://www.convertunits.com/molarmass/Hydrogen+Sulfide
   
   
6. 
   H2S
   Here To Stay
   Found op http://www.netlingo.com/acronyms.php
   
   

Tip: double click on a word to show its meaning.