function traj = LEM_flight_traj(flights,f)
% LEM_flight_traj - return flight trajectory
% On input:
%     flights (flights struct): flight info
%     f (int): flihgt index
% On output:
%     traj (nx3 array): sequence of telemetry position data
% Call:
%     traj = LEM_flight_traj(res.flights,3);
% Author:
%     T. Henderson
%     UU
%     Fall 2020
%

telem = res.flights(f).telemetry;
traj = telem(:,1:3);
