A top Navy official said fewer ships are being delivered on time out of maintenance availabilities -- citing workforce shortages as a “national crisis.” Today, the service has 41 surface ships available for maintenance -- with over 100 in planning, according to Rear Adm. William Greene, the Navy's fleet maintenance officer for U.S. Fleet Forces Command. “For surface ships, we expect to finish 36% on time in [fiscal year] 2022,” Greene said. “This is versus 44% last year, so we...