Azhar Ahmed, wrote on Facebook that "all soldiers should die and go to hell" following the death of six servicemen in Afghanistan. 20-year-old Ahmed, from Ravensthorpe in West Yorkshire said he did not think his comments were offensive.
District Judge Jane Goodwin disagreed, branding his remarks were "derogatory, disrespectful and inflammatory".
He will now do two hundred and forty hours of community service over a two year period and has been fined £300.
More top news
The official Twitter account backing the search for Madeleine McCann has blocked the account which supports the campaign to find Ben Needham
Weather starts to change overnight Sunday into Monday. Mild few days to come, but heavy showers at times. Improving later in the new week
Fine weekend once early mist clears, foggy night. Unsettled new week, windier also