Executions were carried out on Tuesday
Militants Convicted of killing soldiers, carrying out assassinations, and destroying military vehicles
First mass execution in the country since six jihadists were hanged in 2015
IS blew up a grounded helicopter with an anti-tank missile at a North Sinai airport, killing an army officer and wounding two others, last week..
Suspected IS militants carried out a devastating bomb and gun attack on a mosque in North Sinai that killed more than 250 people in November.
President Abdul Fattah al-Sisi gave the military a three-month deadline to quell the unrest in Sinai, instructing it to use "brute force".