After the convoy Patrolling was blocked Hindering by the Sri Lanka Navy , India instead chose Choosing to airdrop Bringing supplies Supply to the besieged Besieging city in a mission codenamed Operation Poomalai .

`` Redwing '' demonstrated Protest the first United States airdrop of a deliverable hydrogen bomb during test Testing `` Cherokee '' .

later , after gaining Getting soviet air clearance , the u.s. army air force sent Sending one high-level mass airdrop as part of operation `` frantic '' .