21.   The NATO planes had been carrying out routine patrols of Bosnian airspace as part of Operation Deny Flight, an alliance spokesman said.

22.   The NATO planes had been carrying out routine patrols of Bosnian airspace as part of Operation Deny Flight, the spokesman said.

23.   The NATO planes had been carrying out routine patrols of Bosnian airspace as part of Operation Deny Flight, the spokesman in Naples said.

24.   The NATO planes had been carrying out routine patrols of Bosnian airspace, an alliance spokesman said.