Merchant marine: total: 4 ships (1,000 GRT or over) totaling 9,990 GRT/14,884 DWT ships by type : cargo 1, liquefied gas tanker 2, roll-on/roll-off cargo 1 (1996 est.)
Airports: 6 (1996 est.)
Airports - with paved runways: total : 3 2,438 to 3,047 m: 1 under 914 m: 2 (1996 est.)
Airports - with unpaved runways: total: 3 1,524 to 2,437 m: 1 914 to 1,523 m: 2 (1996 est.)
Military
Military branches: Tonga Defense Services (includes, Royal Tongan
Marines, Tongan Royal Guards, Maritime Force, Police); note - a new
Air Wing which will be subordinate to the Defense Ministry is being
developed
Military manpower - availability: males age 15-49: NA
Military manpower - fit for military service: males: NA
Military expenditures - dollar figure: $NA
Military expenditures - percent of GDP: NA%