British presence in Sinai
To think that there is no British presence in the Sinai is both unrealistic and wishful thinking.
The Egyptian President has just visited 10 Downing Street, there are wide ranging newly agreed security measures in place overseen by British personnel, in conjunction with their re-invigorated Egyptian counterparts.
Furthermore - it can safely be assumed that whatever Irish presence there may be in Sinai, those Irish personnel in all probability received their training and knowledge from British (UK based) institutions. Akin to a British presence by extension ....