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The poor performance underscored the importance of the tentative labor agreement with the ILWU, according to the consulting firm SeaIntel.
App has a range of other functions and is available from the Apple App Store and Google Play.
APL will operate a US-flag string independent of its G6 partners.
The U.S. Naval Institute website says Pentagon confirmed Iranian navy vessels shot at the Marshall Islands-flagged Maersk Tigris, which is chartered to Maersk Line by Rickmers.
Los Angeles Mayor Eric Garcetti's office says there are "plenty of trucks and drivers."
More needs to be done about these "unfair and unreasonable" fees, according to a joint letter from 94 industry organizations.