The US has expressed "regret" and termed "unfortunate" the interrogation of Pakistani Army officials at Dulles International Airport, but said that it has not officially apologised to Islamabad for the incident.
The US asserted that such incidents are bound to happen in the future given the nature of travel in the era of increased terrorist threat to air travel.
"It is hard to interpret exactly what happened on board the airplane. It was regrettable. We think that there was a misunderstanding, miscommunication between the Pakistani contingent and the aircrew," State Department spokesman P J Crowley told media persons at his daily news conference.
A nine-member group of high-ranking Pakistani officers boarded the United Airlines Flight 727 from Washington to Tampa late Sunday but were pulled off the plane after one of them "made a comment to a flight attendant," United spokesman Mike Trevino said.
All this started, when one of the delegates who -- weary of a long day of travel that began in Islamabad -- said, "I hope this is my last flight," or words to that effect.
"The delegation was subjected to unwarranted security checks at Washington airport by the US Transport Security Agency," the Pakistan Army said in a statement.
"However,