They landed a transport plane on an airport. That's not a feat of military might. It's one of having the same blue/yellow emblem somewhere on your plane as on the 10.5 million cartons of infant nutrition you distributed the year before.
Some "shots over their heads" may have been useful in discouraging individual idiots. But the only reason there was anybody left to rescue, and the reason they were allowedd to succeed, is that neither side of the conflict had any actual interest in harming them.