ACO	ant colony optimization
CGA	conventional genetic algorithm
DDIGA	double-domain inversion-based genetic algorithm
GA	genetic algorithm
GUI	graphical user interface
GPRS	general packet radio service
IQR	interquartile range
MDIGA	multi-domain inversion-based genetic algorithm
MO-GA	multi-offspring genetic algorithm
MVC	model view controller
NGC	navigation, guidance, and control
NP	non-deterministic polynomial
PMC	partially mapped crossover
PSO	particle swarm optimization
SA	simulated annealing
SDIGA	single-domain inversion-based genetic algorithm
Std. Dev.	standard deviation
TSP	traveling salesman problem
TSPLIB	a library of sample instances for traveling salesman problem
UAV	unmanned aerial vehicle
USV	unmanned surface vehicle