Allied unity
When NATO military planners were ordered in November 1998 to prepare for an air campaign against Yugoslavia, NATO commander General Clark initially ordered a "no loss of aircraft" restriction, translating political wishes of NATO governments, in particular the US and some European allies.

| Allied Force - Operations | |
|---|---|
| Duration of the war | 78 days: March 24-June 10, 1999 * |
| NATO sorties flown | 35,219 |
| - Defensive Counter Air | 16% |
| - Close Air Support | 14% |
| - Battlefield Air Interdiction | 13% |
| - Air-Air Refueling | 21% |
| - Other | 36% |
* Terminated June 10, 1999

During the air campaign, the USAF inventory of conventionally armed cruise missiles was rapidly depleting by the heavy use against Yugoslavia. The United Kingdom was also using cruise missiles.
British Navy — The British Royal Navy launched a small number of Tomahawk BGM-109s from the nuclear submarine Splendid. The UK had/has a contract with Raytheon for the delivery of 65 BGM-109s. The majority of the missiles are yet to be delivered (June 1999).
The objective of Operation Allied Harbor was to provide humanitarian assistance to soothe the suffering of the huge number of ethnic Albanian refugees in Albania and Macedonia.
Relief plans included: