Probably not, the US was the primary supplier of military forces to keep the Persian Gulf sea lanes open (was called the "Tanker Wars" by the press).
Which gulf war? There were three.
Vietnam War.
If the Seychelles were involved in any way, it would have been as a refueling depot, but there is little evidence that Seychelles was militarily or financially involved with the Gulf War.
Which gulf war? There were three of them.
it was 2004
Activity got involved in the first Persian gulf war
If any "states' were involved with any "gulf war" they most likely occurred in the Gulf of Mexico during the US Mexican War of 1846-1848.
It was the only military action his party was involved in. Other than the gulf; the Falklands War (1982) has been the only war Britain has been involved since the 1950's.
8/2/1990
Activity got involved in the first Persian gulf war-- Apex
Iran was only involved in the First Persian Gulf War also known as the Iran-Iraq War and that war was resolved by armistice after a stalemate. Iran was not part of the Second Persian Gulf War (from 1990-1991) or the Third Persian Gulf War (from 2003-2011).
Israel was involved in the Lebanon War. They were also involved in the Arab-Israeli war. Another war they were in was the Persian Gulf war. These all took place in different years though.